111102313131 has 12 divisors (see below), whose sum is σ = 160642095952. Its totient is φ = 73993911696.

The previous prime is 111102313123. The next prime is 111102313139. The reversal of 111102313131 is 131313201111.

111102313131 is a `hidden beast` number, since 11 + 110 + 231 + 313 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (111102313123) and next prime (111102313139).

It is not a de Polignac number, because 111102313131 - 2³ = 111102313123 is a prime.

It is a super-2 number, since 2×111102313131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111102313139) 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, 6181951 + ... + 6199896.

Almost surely, 2^111102313131 is an apocalyptic number.

111102313131 is a deficient number, since it is larger than the sum of its proper divisors (49539782821).

111102313131 is a wasteful number, since it uses less digits than its factorization.

111102313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382850 (or 12382847 counting only the distinct ones).

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

Adding to 111102313131 its reverse (131313201111), we get a palindrome (242415514242).

The spelling of 111102313131 in words is "one hundred eleven billion, one hundred two million, three hundred thirteen thousand, one hundred thirty-one".