231332253 has 8 divisors (see below), whose sum is σ = 308572416. Its totient is φ = 154156800.

The previous prime is 231332249. The next prime is 231332263. The reversal of 231332253 is 352233132.

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

It is not a de Polignac number, because 231332253 - 2² = 231332249 is a prime.

It is a super-2 number, since 2×231332253² = 107029222556112018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231332263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7108 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (38571552).

Almost surely, 2^231332253 is an apocalyptic number.

It is an amenable number.

231332253 is a deficient number, since it is larger than the sum of its proper divisors (77240163).

231332253 is a wasteful number, since it uses less digits than its factorization.

231332253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32355.

The product of its digits is 3240, while the sum is 24.

The square root of 231332253 is about 15209.6105472823. The cubic root of 231332253 is about 613.8732784278.

Adding to 231332253 its reverse (352233132), we get a palindrome (583565385).

The spelling of 231332253 in words is "two hundred thirty-one million, three hundred thirty-two thousand, two hundred fifty-three".