131303004 has 24 divisors (see below), whose sum is σ = 350141568. Its totient is φ = 37515120.

The previous prime is 131302999. The next prime is 131303027. The reversal of 131303004 is 400303131.

It is a congruent number.

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, 781482 + ... + 781649.

It is an arithmetic number, because the mean of its divisors is an integer number (14589232).

Almost surely, 2^131303004 is an apocalyptic number.

131303004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131303004 is an abundant number, since it is smaller than the sum of its proper divisors (218838564).

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

131303004 is a wasteful number, since it uses less digits than its factorization.

131303004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563145 (or 1563143 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 131303004 is about 11458.7522880984. The cubic root of 131303004 is about 508.2665794513.

Adding to 131303004 its reverse (400303131), we get a palindrome (531606135).

The spelling of 131303004 in words is "one hundred thirty-one million, three hundred three thousand, four".