131015515003 has 4 divisors (see below), whose sum is σ = 133803079200. Its totient is φ = 128227950808.

The previous prime is 131015514943. The next prime is 131015515013. The reversal of 131015515003 is 300515510131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131015515003 - 2²⁹ = 130478644091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131015515013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393782028 + ... + 1393782121.

It is an arithmetic number, because the mean of its divisors is an integer number (33450769800).

Almost surely, 2^131015515003 is an apocalyptic number.

131015515003 is a deficient number, since it is larger than the sum of its proper divisors (2787564197).

131015515003 is an equidigital number, since it uses as much as digits as its factorization.

131015515003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787564196.

The product of its (nonzero) digits is 1125, while the sum is 25.

The spelling of 131015515003 in words is "one hundred thirty-one billion, fifteen million, five hundred fifteen thousand, three".