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30131345330231 = 2953596736713513
BaseRepresentation
bin1101101100111100000000…
…01000101001000000110111
310221200112021021002212020112
412312132000020221000313
512422132443401031411
6144030052101253235
76226626553312145
oct666360010510067
9127615237085215
1030131345330231
1196676a4a09752
1234677a670421b
1313a74b1c60772
147625173b6595
15373bbacd3b8b
hex1b6780229037

30131345330231 has 64 divisors (see below), whose sum is σ = 32870545459200. Its totient is φ = 27563478598656.

The previous prime is 30131345330201. The next prime is 30131345330243. The reversal of 30131345330231 is 13203354313103.

It is not a de Polignac number, because 30131345330231 - 210 = 30131345329207 is a prime.

It is a super-2 number, since 2×301313453302312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131345330201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2229797531 + ... + 2229811043.

It is an arithmetic number, because the mean of its divisors is an integer number (513602272800).

Almost surely, 230131345330231 is an apocalyptic number.

30131345330231 is a deficient number, since it is larger than the sum of its proper divisors (2739200128969).

30131345330231 is a wasteful number, since it uses less digits than its factorization.

30131345330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14088.

The product of its (nonzero) digits is 29160, while the sum is 32.

Adding to 30131345330231 its reverse (13203354313103), we get a palindrome (43334699643334).

The spelling of 30131345330231 in words is "thirty trillion, one hundred thirty-one billion, three hundred forty-five million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 29 53 59 67 367 1537 1711 1943 3127 3551 3953 10643 13513 19451 21653 24589 90683 102979 114637 209509 391877 564079 627937 713081 716189 797267 905371 1147609 1303217 1450751 4959271 6075761 20769481 23120743 26255759 33280661 37793293 42071779 42255151 47984663 53416889 76889803 143818859 262841363 292596989 332271157 1225399379 1391555227 1549089781 2229804287 2831095117 7622399527 8485312681 9635863553 15507640417 17610371321 19603998263 82101758393 449721572093 510700768309 568515949627 1039011907939 30131345330231