131110520242 has 8 divisors (see below), whose sum is σ = 211793917356. Its totient is φ = 60512547792.

The previous prime is 131110520221. The next prime is 131110520291. The reversal of 131110520242 is 242025011131.

It can be written as a sum of positive squares in 2 ways, for example, as 130285624401 + 824895841 = 360951^2 + 28721^2 .

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

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, 2521356133 + ... + 2521356184.

Almost surely, 2^131110520242 is an apocalyptic number.

131110520242 is a deficient number, since it is larger than the sum of its proper divisors (80683397114).

131110520242 is a wasteful number, since it uses less digits than its factorization.

131110520242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042712332.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 131110520242 its reverse (242025011131), we get a palindrome (373135531373).

The spelling of 131110520242 in words is "one hundred thirty-one billion, one hundred ten million, five hundred twenty thousand, two hundred forty-two".