131243662613 has 12 divisors (see below), whose sum is σ = 152876229408. Its totient is φ = 110372012400.

The previous prime is 131243662547. The next prime is 131243662619. The reversal of 131243662613 is 316266342131.

It is not a de Polignac number, because 131243662613 - 2¹⁰ = 131243661589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131243662619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3317663 + ... + 3356988.

It is an arithmetic number, because the mean of its divisors is an integer number (12739685784).

Almost surely, 2^131243662613 is an apocalyptic number.

It is an amenable number.

131243662613 is a deficient number, since it is larger than the sum of its proper divisors (21632566795).

131243662613 is an frugal number, since it uses more digits than its factorization.

131243662613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674764 (or 6674711 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The spelling of 131243662613 in words is "one hundred thirty-one billion, two hundred forty-three million, six hundred sixty-two thousand, six hundred thirteen".