431220454025112 has 80 divisors (see below), whose sum is σ = 1215048984201360. Its totient is φ = 142879431836736.

The previous prime is 431220454024931. The next prime is 431220454025129. The reversal of 431220454025112 is 211520454022134.

431220454025112 is a `hidden beast` number, since 4 + 31 + 2 + 20 + 4 + 540 + 2 + 51 + 12 = 666.

It is a super-2 number, since 2×431220454025112² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1992297963 + ... + 1992514394.

It is an arithmetic number, because the mean of its divisors is an integer number (15188112302517).

Almost surely, 2^{431220454025112} is an apocalyptic number.

It is an amenable number.

431220454025112 is an abundant number, since it is smaller than the sum of its proper divisors (783828530176248).

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

431220454025112 is a wasteful number, since it uses less digits than its factorization.

431220454025112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984812542 (or 3984812529 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 431220454025112 in words is "four hundred thirty-one trillion, two hundred twenty billion, four hundred fifty-four million, twenty-five thousand, one hundred twelve".