131115032 has 32 divisors (see below), whose sum is σ = 255344400. Its totient is φ = 63041664.

The previous prime is 131115011. The next prime is 131115053. The reversal of 131115032 is 230511131.

It is an interprime number because it is at equal distance from previous prime (131115011) and next prime (131115053).

It is a super-2 number, since 2×131115032² = 34382303232722048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131115032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64658 + ... + 66654.

Almost surely, 2^131115032 is an apocalyptic number.

It is an amenable number.

131115032 is a deficient number, since it is larger than the sum of its proper divisors (124229368).

131115032 is a wasteful number, since it uses less digits than its factorization.

131115032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315 (or 2311 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 131115032 is about 11450.5472358311. The cubic root of 131115032 is about 508.0239205881.

Adding to 131115032 its reverse (230511131), we get a palindrome (361626163).

The spelling of 131115032 in words is "one hundred thirty-one million, one hundred fifteen thousand, thirty-two".