131031096 has 96 divisors (see below), whose sum is σ = 386979840. Its totient is φ = 36856512.

The previous prime is 131031091. The next prime is 131031113. The reversal of 131031096 is 690130131.

It is a super-2 number, since 2×131031096² = 34338296237922432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131031091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77961 + ... + 79623.

It is an arithmetic number, because the mean of its divisors is an integer number (4031040).

Almost surely, 2^131031096 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 131031096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193489920).

131031096 is an abundant number, since it is smaller than the sum of its proper divisors (255948744).

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

131031096 is a wasteful number, since it uses less digits than its factorization.

131031096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 131031096 is about 11446.8814967222. The cubic root of 131031096 is about 507.9154901062.

The spelling of 131031096 in words is "one hundred thirty-one million, thirty-one thousand, ninety-six".