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30131245301 = 611915574643
BaseRepresentation
bin11100000011111101…
…100101000011110101
32212202220020212002012
4130003331211003311
5443202044322201
621501521054005
72114452234133
oct340375450365
985686225065
1030131245301
1111862336623
125a0aa87305
132ac2628641
14165ba50753
15bb54015bb
hex703f650f5

30131245301 has 16 divisors (see below), whose sum is σ = 30847454208. Its totient is φ = 29422852800.

The previous prime is 30131245283. The next prime is 30131245363. The reversal of 30131245301 is 10354213103.

It is a cyclic number.

It is not a de Polignac number, because 30131245301 - 26 = 30131245237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131244301) 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 15 ways as a sum of consecutive naturals, for example, 6487286 + ... + 6491928.

It is an arithmetic number, because the mean of its divisors is an integer number (1927965888).

Almost surely, 230131245301 is an apocalyptic number.

It is an amenable number.

30131245301 is a deficient number, since it is larger than the sum of its proper divisors (716208907).

30131245301 is a wasteful number, since it uses less digits than its factorization.

30131245301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 30131245301 its reverse (10354213103), we get a palindrome (40485458404).

The spelling of 30131245301 in words is "thirty billion, one hundred thirty-one million, two hundred forty-five thousand, three hundred one".

Divisors: 1 61 191 557 4643 11651 33977 106387 283223 886813 2586151 6489607 54095593 157755211 493954841 30131245301