131015237523113 has 4 divisors (see below), whose sum is σ = 131017921155588. Its totient is φ = 131012553890640.

The previous prime is 131015237523101. The next prime is 131015237523143. The reversal of 131015237523113 is 311325732510131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34763382018304 + 96251855504809 = 5896048^2 + 9810803^2 .

It is a cyclic number.

It is not a de Polignac number, because 131015237523113 - 2⁴ = 131015237523097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131015237523143) 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, 1341743006 + ... + 1341840647.

It is an arithmetic number, because the mean of its divisors is an integer number (32754480288897).

Almost surely, 2^{131015237523113} is an apocalyptic number.

It is an amenable number.

131015237523113 is a deficient number, since it is larger than the sum of its proper divisors (2683632475).

131015237523113 is an equidigital number, since it uses as much as digits as its factorization.

131015237523113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683632474.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 131015237523113 in words is "one hundred thirty-one trillion, fifteen billion, two hundred thirty-seven million, five hundred twenty-three thousand, one hundred thirteen".