131161132 has 24 divisors (see below), whose sum is σ = 236587680. Its totient is φ = 63584640.

The previous prime is 131161109. The next prime is 131161133. The reversal of 131161132 is 231161131.

It is not an unprimeable number, because it can be changed into a prime (131161133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24994 + ... + 29782.

It is an arithmetic number, because the mean of its divisors is an integer number (9857820).

Almost surely, 2^131161132 is an apocalyptic number.

It is an amenable number.

131161132 is a deficient number, since it is larger than the sum of its proper divisors (105426548).

131161132 is a wasteful number, since it uses less digits than its factorization.

131161132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001 (or 4999 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 131161132 is about 11452.5600631475. The cubic root of 131161132 is about 508.0834539564.

Subtracting 131161132 from its reverse (231161131), we obtain a palindrome (99999999).

The spelling of 131161132 in words is "one hundred thirty-one million, one hundred sixty-one thousand, one hundred thirty-two".