2001312431104 has 88 divisors (see below), whose sum is σ = 4812836965760. Its totient is φ = 812562886656.

The previous prime is 2001312431077. The next prime is 2001312431191. The reversal of 2001312431104 is 4011342131002.

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, 7211202 + ... + 7483585.

Almost surely, 2^{2001312431104} is an apocalyptic number.

It is an amenable number.

2001312431104 is an abundant number, since it is smaller than the sum of its proper divisors (2811524534656).

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

2001312431104 is a wasteful number, since it uses less digits than its factorization.

2001312431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14694833 (or 14694815 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2001312431104 its reverse (4011342131002), we get a palindrome (6012654562106).

The spelling of 2001312431104 in words is "two trillion, one billion, three hundred twelve million, four hundred thirty-one thousand, one hundred four".