131431024 has 10 divisors (see below), whose sum is σ = 254647640. Its totient is φ = 65715504.

The previous prime is 131430991. The next prime is 131431031. The reversal of 131431024 is 420134131.

It is a super-2 number, since 2×131431024² = 34548228139377152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131430992 and 131431010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107204 + ... + 4107235.

It is an arithmetic number, because the mean of its divisors is an integer number (25464764).

Almost surely, 2^131431024 is an apocalyptic number.

It is an amenable number.

131431024 is a deficient number, since it is larger than the sum of its proper divisors (123216616).

131431024 is an equidigital number, since it uses as much as digits as its factorization.

131431024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214447 (or 8214441 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131431024 is about 11464.3370501743. The cubic root of 131431024 is about 508.4317118800.

Adding to 131431024 its reverse (420134131), we get a palindrome (551565155).

The spelling of 131431024 in words is "one hundred thirty-one million, four hundred thirty-one thousand, twenty-four".