231513454343432 has 32 divisors (see below), whose sum is σ = 434206348222680. Its totient is φ = 115725096238080.

The previous prime is 231513454343417. The next prime is 231513454343473. The reversal of 231513454343432 is 234343454315132.

231513454343432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 190706322645316 + 40807131698116 = 13809646^2 + 6388046^2 .

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, 2211303278 + ... + 2211407970.

Almost surely, 2^{231513454343432} is an apocalyptic number.

It is an amenable number.

231513454343432 is a deficient number, since it is larger than the sum of its proper divisors (202692893879248).

231513454343432 is a wasteful number, since it uses less digits than its factorization.

231513454343432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177593 (or 177589 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 47.

The spelling of 231513454343432 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fifty-four million, three hundred forty-three thousand, four hundred thirty-two".