131013324 has 72 divisors (see below), whose sum is σ = 358309952. Its totient is φ = 40124160.

The previous prime is 131013317. The next prime is 131013331. The reversal of 131013324 is 423310131.

It is an interprime number because it is at equal distance from previous prime (131013317) and next prime (131013331).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131013297 and 131013306.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126312 + ... + 127344.

Almost surely, 2^131013324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131013324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179154976).

131013324 is an abundant number, since it is smaller than the sum of its proper divisors (227296628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131013324 is a wasteful number, since it uses less digits than its factorization.

131013324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131013324 is about 11446.1051891025. The cubic root of 131013324 is about 507.8925258825.

Adding to 131013324 its reverse (423310131), we get a palindrome (554323455).

The spelling of 131013324 in words is "one hundred thirty-one million, thirteen thousand, three hundred twenty-four".