131233113112 has 32 divisors (see below), whose sum is σ = 252155332800. Its totient is φ = 64001223424.

The previous prime is 131233113097. The next prime is 131233113133. The reversal of 131233113112 is 211311332131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485437 + ... + 705772.

It is an arithmetic number, because the mean of its divisors is an integer number (7879854150).

Almost surely, 2^131233113112 is an apocalyptic number.

It is an amenable number.

131233113112 is a deficient number, since it is larger than the sum of its proper divisors (120922219688).

131233113112 is a wasteful number, since it uses less digits than its factorization.

131233113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191555 (or 1191551 counting only the distinct ones).

The product of its digits is 324, while the sum is 22.

Adding to 131233113112 its reverse (211311332131), we get a palindrome (342544445243).

The spelling of 131233113112 in words is "one hundred thirty-one billion, two hundred thirty-three million, one hundred thirteen thousand, one hundred twelve".