131321032 has 32 divisors (see below), whose sum is σ = 255830400. Its totient is φ = 63145600.

The previous prime is 131321017. The next prime is 131321083. The reversal of 131321032 is 230123131.

It is a junction number, because it is equal to n+sod(n) for n = 131320997 and 131321015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20469 + ... + 26107.

It is an arithmetic number, because the mean of its divisors is an integer number (7994700).

Almost surely, 2^131321032 is an apocalyptic number.

It is an amenable number.

131321032 is a deficient number, since it is larger than the sum of its proper divisors (124509368).

131321032 is a wasteful number, since it uses less digits than its factorization.

131321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757 (or 5753 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131321032 is about 11459.5389086996. The cubic root of 131321032 is about 508.2898401798.

Adding to 131321032 its reverse (230123131), we get a palindrome (361444163).

The spelling of 131321032 in words is "one hundred thirty-one million, three hundred twenty-one thousand, thirty-two".