231253022 has 48 divisors (see below), whose sum is σ = 469313376. Its totient is φ = 83160000.

The previous prime is 231253003. The next prime is 231253073. The reversal of 231253022 is 220352132.

It is a junction number, because it is equal to n+sod(n) for n = 231252985 and 231253003.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16772 + ... + 27272.

It is an arithmetic number, because the mean of its divisors is an integer number (9777362).

Almost surely, 2^231253022 is an apocalyptic number.

231253022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231253022 is an abundant number, since it is smaller than the sum of its proper divisors (238060354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231253022 is a wasteful number, since it uses less digits than its factorization.

231253022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545 (or 10534 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 231253022 is about 15207.0056881689. The cubic root of 231253022 is about 613.8031868216.

The spelling of 231253022 in words is "two hundred thirty-one million, two hundred fifty-three thousand, twenty-two".