131116532 has 12 divisors (see below), whose sum is σ = 230407716. Its totient is φ = 65285760.

The previous prime is 131116501. The next prime is 131116547. The reversal of 131116532 is 235611131.

It can be written as a sum of positive squares in 2 ways, for example, as 68326756 + 62789776 = 8266^2 + 7924^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 131116498 and 131116507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67043 + ... + 68970.

It is an arithmetic number, because the mean of its divisors is an integer number (19200643).

Almost surely, 2^131116532 is an apocalyptic number.

It is an amenable number.

131116532 is a deficient number, since it is larger than the sum of its proper divisors (99291184).

131116532 is a wasteful number, since it uses less digits than its factorization.

131116532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136258 (or 136256 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 131116532 is about 11450.6127346968. The cubic root of 131116532 is about 508.0258579022.

Adding to 131116532 its reverse (235611131), we get a palindrome (366727663).

The spelling of 131116532 in words is "one hundred thirty-one million, one hundred sixteen thousand, five hundred thirty-two".