231335953 has 4 divisors (see below), whose sum is σ = 232547328. Its totient is φ = 230124580.

The previous prime is 231335941. The next prime is 231335959. The reversal of 231335953 is 359533132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231335953 - 2⁵ = 231335921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231335959) 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 3 ways as a sum of consecutive naturals, for example, 605401 + ... + 605782.

It is an arithmetic number, because the mean of its divisors is an integer number (58136832).

Almost surely, 2^231335953 is an apocalyptic number.

It is an amenable number.

231335953 is a deficient number, since it is larger than the sum of its proper divisors (1211375).

231335953 is a wasteful number, since it uses less digits than its factorization.

231335953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211374.

The product of its digits is 36450, while the sum is 34.

The square root of 231335953 is about 15209.7321804166. The cubic root of 231335953 is about 613.8765512371.

The spelling of 231335953 in words is "two hundred thirty-one million, three hundred thirty-five thousand, nine hundred fifty-three".