131121032023112 has 16 divisors (see below), whose sum is σ = 245873222941500. Its totient is φ = 65554839238720.

The previous prime is 131121032023097. The next prime is 131121032023141. The reversal of 131121032023112 is 211320230121131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113700976520356 + 17420055502756 = 10663066^2 + 4173734^2 .

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, 709498439 + ... + 709683222.

Almost surely, 2^{131121032023112} is an apocalyptic number.

It is an amenable number.

131121032023112 is a deficient number, since it is larger than the sum of its proper divisors (114752190918388).

131121032023112 is a wasteful number, since it uses less digits than its factorization.

131121032023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419193216 (or 1419193212 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131121032023112 its reverse (211320230121131), we get a palindrome (342441262144243).

The spelling of 131121032023112 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, thirty-two million, twenty-three thousand, one hundred twelve".