131112304 has 10 divisors (see below), whose sum is σ = 254030120. Its totient is φ = 65556144.

The previous prime is 131112283. The next prime is 131112323. The reversal of 131112304 is 403211131.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 8194519 = 131112304 / (1 + 3 + 1 + 1 + 1 + 2 + 3 + 0 + 4).

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, 4097244 + ... + 4097275.

It is an arithmetic number, because the mean of its divisors is an integer number (25403012).

Almost surely, 2^131112304 is an apocalyptic number.

It is an amenable number.

131112304 is a deficient number, since it is larger than the sum of its proper divisors (122917816).

131112304 is an equidigital number, since it uses as much as digits as its factorization.

131112304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194527 (or 8194521 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131112304 is about 11450.4281142672. The cubic root of 131112304 is about 508.0203972218.

Adding to 131112304 its reverse (403211131), we get a palindrome (534323435).

The spelling of 131112304 in words is "one hundred thirty-one million, one hundred twelve thousand, three hundred four".