231545432225412 has 72 divisors (see below), whose sum is σ = 585778941296640. Its totient is φ = 77118063621120.

The previous prime is 231545432225377. The next prime is 231545432225467. The reversal of 231545432225412 is 214522234545132.

231545432225412 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 4 + 5 + 4 + 3 + 2 + 225 + 412 = 666.

It is a super-2 number, since 2×231545432225412² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333808164 + ... + 334501092.

It is an arithmetic number, because the mean of its divisors is an integer number (8135818629120).

Almost surely, 2^{231545432225412} is an apocalyptic number.

It is an amenable number.

231545432225412 is an abundant number, since it is smaller than the sum of its proper divisors (354233509071228).

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

231545432225412 is a wasteful number, since it uses less digits than its factorization.

231545432225412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700593 (or 700588 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The spelling of 231545432225412 in words is "two hundred thirty-one trillion, five hundred forty-five billion, four hundred thirty-two million, two hundred twenty-five thousand, four hundred twelve".