131520253345013 has 16 divisors (see below), whose sum is σ = 142894317135360. Its totient is φ = 120325833863424.

The previous prime is 131520253345007. The next prime is 131520253345043. The reversal of 131520253345013 is 310543352025131.

It is a cyclic number.

It is not a de Polignac number, because 131520253345013 - 2¹⁰ = 131520253343989 is a prime.

It is a super-2 number, since 2×131520253345013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131520253345043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56657048 + ... + 58932686.

It is an arithmetic number, because the mean of its divisors is an integer number (8930894820960).

Almost surely, 2^{131520253345013} is an apocalyptic number.

131520253345013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131520253345013 is a deficient number, since it is larger than the sum of its proper divisors (11374063790347).

131520253345013 is a wasteful number, since it uses less digits than its factorization.

131520253345013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315108.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 131520253345013 in words is "one hundred thirty-one trillion, five hundred twenty billion, two hundred fifty-three million, three hundred forty-five thousand, thirteen".