131023101412 has 24 divisors (see below), whose sum is σ = 262584312704. Its totient is φ = 56037448512.

The previous prime is 131023101401. The next prime is 131023101413. The reversal of 131023101412 is 214101320131.

It is a self number, because there is not a number n which added to its sum of digits gives 131023101412.

It is not an unprimeable number, because it can be changed into a prime (131023101413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4790673 + ... + 4817944.

Almost surely, 2^131023101412 is an apocalyptic number.

It is an amenable number.

131023101412 is an abundant number, since it is smaller than the sum of its proper divisors (131561211292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131023101412 is a wasteful number, since it uses less digits than its factorization.

131023101412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9609115 (or 9609113 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131023101412 its reverse (214101320131), we get a palindrome (345124421543).

The spelling of 131023101412 in words is "one hundred thirty-one billion, twenty-three million, one hundred one thousand, four hundred twelve".