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30131013333 = 3171950361819
BaseRepresentation
bin11100000011111100…
…101100011011010101
32212202212211001212210
4130003330230123111
5443202014411313
621501512104033
72114450246631
oct340374543325
985685731783
1030131013333
1111862198313
125a0a995019
132ac2576b95
14165b9cddc1
15bb53a79c3
hex703f2c6d5

30131013333 has 32 divisors (see below), whose sum is σ = 44866483200. Its totient is φ = 17874798336.

The previous prime is 30131013287. The next prime is 30131013337. The reversal of 30131013333 is 33331013103.

It is not a de Polignac number, because 30131013333 - 214 = 30130996949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131013337) 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 31 ways as a sum of consecutive naturals, for example, 456498 + ... + 518316.

It is an arithmetic number, because the mean of its divisors is an integer number (1402077600).

Almost surely, 230131013333 is an apocalyptic number.

It is an amenable number.

30131013333 is a deficient number, since it is larger than the sum of its proper divisors (14735469867).

30131013333 is a wasteful number, since it uses less digits than its factorization.

30131013333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62361.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 30131013333 its reverse (33331013103), we get a palindrome (63462026436).

The spelling of 30131013333 in words is "thirty billion, one hundred thirty-one million, thirteen thousand, three hundred thirty-three".

Divisors: 1 3 17 19 51 57 323 503 969 1509 8551 9557 25653 28671 61819 162469 185457 487407 1050923 1174561 3152769 3523683 19967537 31094957 59902611 93284871 528614269 590804183 1585842807 1772412549 10043671111 30131013333