131361263213 has 4 divisors (see below), whose sum is σ = 131783647008. Its totient is φ = 130938879420.

The previous prime is 131361263197. The next prime is 131361263221. The reversal of 131361263213 is 312362163131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312362163131 = 19 ⋅16440113849.

It is a cyclic number.

It is not a de Polignac number, because 131361263213 - 2⁴ = 131361263197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131361263213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131361263513) 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, 211191431 + ... + 211192052.

It is an arithmetic number, because the mean of its divisors is an integer number (32945911752).

Almost surely, 2^131361263213 is an apocalyptic number.

It is an amenable number.

131361263213 is a deficient number, since it is larger than the sum of its proper divisors (422383795).

131361263213 is an equidigital number, since it uses as much as digits as its factorization.

131361263213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422383794.

The product of its digits is 11664, while the sum is 32.

The spelling of 131361263213 in words is "one hundred thirty-one billion, three hundred sixty-one million, two hundred sixty-three thousand, two hundred thirteen".