131113532 has 24 divisors (see below), whose sum is σ = 250795440. Its totient is φ = 59480960.

The previous prime is 131113483. The next prime is 131113589. The reversal of 131113532 is 235311131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22418 + ... + 27654.

It is an arithmetic number, because the mean of its divisors is an integer number (10449810).

Almost surely, 2^131113532 is an apocalyptic number.

It is an amenable number.

131113532 is a deficient number, since it is larger than the sum of its proper divisors (119681908).

131113532 is a wasteful number, since it uses less digits than its factorization.

131113532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821 (or 5819 counting only the distinct ones).

The product of its digits is 270, while the sum is 20.

The square root of 131113532 is about 11450.4817365908. The cubic root of 131113532 is about 508.0219832593.

Adding to 131113532 its reverse (235311131), we get a palindrome (366424663).

The spelling of 131113532 in words is "one hundred thirty-one million, one hundred thirteen thousand, five hundred thirty-two".