131001304 has 32 divisors (see below), whose sum is σ = 286452000. Its totient is φ = 56142240.

The previous prime is 131001301. The next prime is 131001317. The reversal of 131001304 is 403100131.

It is a super-2 number, since 2×131001304² = 34322683299400832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001301) 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, 21127 + ... + 26614.

It is an arithmetic number, because the mean of its divisors is an integer number (8951625).

Almost surely, 2^131001304 is an apocalyptic number.

131001304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131001304 is an abundant number, since it is smaller than the sum of its proper divisors (155450696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131001304 is an equidigital number, since it uses as much as digits as its factorization.

131001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47768 (or 47750 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 131001304 is about 11445.5801076223. The cubic root of 131001304 is about 507.8769929715.

Adding to 131001304 its reverse (403100131), we get a palindrome (534101435).

The spelling of 131001304 in words is "one hundred thirty-one million, one thousand, three hundred four".