131310112 has 12 divisors (see below), whose sum is σ = 258516846. Its totient is φ = 65655040.

The previous prime is 131310107. The next prime is 131310119. The reversal of 131310112 is 211013131.

It can be written as a sum of positive squares in only one way, i.e., 91317136 + 39992976 = 9556^2 + 6324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131310092 and 131310101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051689 + ... + 2051752.

Almost surely, 2^131310112 is an apocalyptic number.

It is an amenable number.

131310112 is a deficient number, since it is larger than the sum of its proper divisors (127206734).

131310112 is an equidigital number, since it uses as much as digits as its factorization.

131310112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103451 (or 4103443 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 131310112 is about 11459.0624398334. The cubic root of 131310112 is about 508.2757508426.

Adding to 131310112 its reverse (211013131), we get a palindrome (342323243).

The spelling of 131310112 in words is "one hundred thirty-one million, three hundred ten thousand, one hundred twelve".