231553413 has 48 divisors (see below), whose sum is σ = 435891456. Its totient is φ = 114946560.

The previous prime is 231553411. The next prime is 231553423. The reversal of 231553413 is 314355132.

231553413 is a `hidden beast` number, since 2 + 315 + 5 + 341 + 3 = 666.

It is not a de Polignac number, because 231553413 - 2¹ = 231553411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231553411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5608 + ... + 22238.

It is an arithmetic number, because the mean of its divisors is an integer number (9081072).

Almost surely, 2^231553413 is an apocalyptic number.

It is an amenable number.

231553413 is a deficient number, since it is larger than the sum of its proper divisors (204338043).

231553413 is a wasteful number, since it uses less digits than its factorization.

231553413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16674 (or 16671 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 231553413 is about 15216.8792135576. The cubic root of 231553413 is about 614.0688427020.

It can be divided in two parts, 23155341 and 3, that added together give a square (23155344 = 4812²).

The spelling of 231553413 in words is "two hundred thirty-one million, five hundred fifty-three thousand, four hundred thirteen".