13120030131 has 16 divisors (see below), whose sum is σ = 18860997120. Its totient is φ = 8064444960.

The previous prime is 13120030127. The next prime is 13120030153. The reversal of 13120030131 is 13103002131.

It is not a de Polignac number, because 13120030131 - 2² = 13120030127 is a prime.

It is a super-2 number, since 2×13120030131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13120030131.

It is not an unprimeable number, because it can be changed into a prime (13120030181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162315 + ... + 229316.

It is an arithmetic number, because the mean of its divisors is an integer number (1178812320).

Almost surely, 2^13120030131 is an apocalyptic number.

13120030131 is a deficient number, since it is larger than the sum of its proper divisors (5740966989).

13120030131 is a wasteful number, since it uses less digits than its factorization.

13120030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392506.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13120030131 its reverse (13103002131), we get a palindrome (26223032262).

The spelling of 13120030131 in words is "thirteen billion, one hundred twenty million, thirty thousand, one hundred thirty-one".