131213358242 has 8 divisors (see below), whose sum is σ = 196823817756. Its totient is φ = 65605418992.

The previous prime is 131213358239. The next prime is 131213358253. The reversal of 131213358242 is 242853312131.

131213358242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 121418099401 + 9795258841 = 348451^2 + 98971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131213358242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494033 + ... + 711684.

Almost surely, 2^131213358242 is an apocalyptic number.

131213358242 is a deficient number, since it is larger than the sum of its proper divisors (65610459514).

131213358242 is a wasteful number, since it uses less digits than its factorization.

131213358242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260132.

The product of its digits is 34560, while the sum is 35.

The spelling of 131213358242 in words is "one hundred thirty-one billion, two hundred thirteen million, three hundred fifty-eight thousand, two hundred forty-two".