131310431332 has 24 divisors (see below), whose sum is σ = 237780144000. Its totient is φ = 63374447136.

The previous prime is 131310431269. The next prime is 131310431333. The reversal of 131310431332 is 233134013131.

It is a junction number, because it is equal to n+sod(n) for n = 131310431297 and 131310431306.

It is not an unprimeable number, because it can be changed into a prime (131310431333) 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, 295419 + ... + 591517.

It is an arithmetic number, because the mean of its divisors is an integer number (9907506000).

Almost surely, 2^131310431332 is an apocalyptic number.

It is an amenable number.

131310431332 is a deficient number, since it is larger than the sum of its proper divisors (106469712668).

131310431332 is a wasteful number, since it uses less digits than its factorization.

131310431332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299955 (or 299953 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131310431332 its reverse (233134013131), we get a palindrome (364444444463).

The spelling of 131310431332 in words is "one hundred thirty-one billion, three hundred ten million, four hundred thirty-one thousand, three hundred thirty-two".