113103211131 has 12 divisors (see below), whose sum is σ = 164072472408. Its totient is φ = 75078525024.

The previous prime is 113103211129. The next prime is 113103211159. The reversal of 113103211131 is 131112301311.

113103211131 is a `hidden beast` number, since 1 + 1 + 310 + 321 + 1 + 1 + 31 = 666.

It is not a de Polignac number, because 113103211131 - 2¹ = 113103211129 is a prime.

It is a super-2 number, since 2×113103211131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113103211031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26965765 + ... + 26969958.

It is an arithmetic number, because the mean of its divisors is an integer number (13672706034).

Almost surely, 2^113103211131 is an apocalyptic number.

113103211131 is a deficient number, since it is larger than the sum of its proper divisors (50969261277).

113103211131 is a wasteful number, since it uses less digits than its factorization.

113103211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53935962 (or 53935959 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 113103211131 its reverse (131112301311), we get a palindrome (244215512442).

The spelling of 113103211131 in words is "one hundred thirteen billion, one hundred three million, two hundred eleven thousand, one hundred thirty-one".