231342553 has 8 divisors (see below), whose sum is σ = 257175296. Its totient is φ = 206658000.

The previous prime is 231342539. The next prime is 231342557. The reversal of 231342553 is 355243132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231342553 - 2⁵ = 231342521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231342557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286623 + ... + 287428.

It is an arithmetic number, because the mean of its divisors is an integer number (32146912).

Almost surely, 2^231342553 is an apocalyptic number.

It is an amenable number.

231342553 is a deficient number, since it is larger than the sum of its proper divisors (25832743).

231342553 is a wasteful number, since it uses less digits than its factorization.

231342553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574095.

The product of its digits is 10800, while the sum is 28.

The square root of 231342553 is about 15209.9491452141. The cubic root of 231342553 is about 613.8823891345.

Adding to 231342553 its reverse (355243132), we get a palindrome (586585685).

The spelling of 231342553 in words is "two hundred thirty-one million, three hundred forty-two thousand, five hundred fifty-three".