131522123042 has 16 divisors (see below), whose sum is σ = 197438974200. Its totient is φ = 65709157248.

The previous prime is 131522123039. The next prime is 131522123059. The reversal of 131522123042 is 240321225131.

It can be written as a sum of positive squares in 4 ways, for example, as 98923459441 + 32598663601 = 314521^2 + 180551^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22483334 + ... + 22489182.

Almost surely, 2^131522123042 is an apocalyptic number.

131522123042 is a deficient number, since it is larger than the sum of its proper divisors (65916851158).

131522123042 is a wasteful number, since it uses less digits than its factorization.

131522123042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 131522123042 its reverse (240321225131), we get a palindrome (371843348173).

The spelling of 131522123042 in words is "one hundred thirty-one billion, five hundred twenty-two million, one hundred twenty-three thousand, forty-two".