13120210131 has 16 divisors (see below), whose sum is σ = 20682105600. Its totient is φ = 7238736288.

The previous prime is 13120210123. The next prime is 13120210133. The reversal of 13120210131 is 13101202131.

It is a happy number.

It is not a de Polignac number, because 13120210131 - 2³ = 13120210123 is a prime.

It is a super-2 number, since 2×13120210131² (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 13120210131.

It is not an unprimeable number, because it can be changed into a prime (13120210133) 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, 10771321 + ... + 10772538.

It is an arithmetic number, because the mean of its divisors is an integer number (1292631600).

Almost surely, 2^13120210131 is an apocalyptic number.

13120210131 is a deficient number, since it is larger than the sum of its proper divisors (7561895469).

13120210131 is a wasteful number, since it uses less digits than its factorization.

13120210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21543898.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13120210131 its reverse (13101202131), we get a palindrome (26221412262).

The spelling of 13120210131 in words is "thirteen billion, one hundred twenty million, two hundred ten thousand, one hundred thirty-one".