131513501004 has 12 divisors (see below), whose sum is σ = 306864835704. Its totient is φ = 43837833664.

The previous prime is 131513500999. The next prime is 131513501023. The reversal of 131513501004 is 400105315131.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5479729197 + ... + 5479729220.

It is an arithmetic number, because the mean of its divisors is an integer number (25572069642).

Almost surely, 2^131513501004 is an apocalyptic number.

It is an amenable number.

131513501004 is an abundant number, since it is smaller than the sum of its proper divisors (175351334700).

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

131513501004 is a wasteful number, since it uses less digits than its factorization.

131513501004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959458424 (or 10959458422 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 131513501004 its reverse (400105315131), we get a palindrome (531618816135).

The spelling of 131513501004 in words is "one hundred thirty-one billion, five hundred thirteen million, five hundred one thousand, four".