231353020 has 24 divisors (see below), whose sum is σ = 486685584. Its totient is φ = 92380416.

The previous prime is 231353009. The next prime is 231353069. The reversal of 231353020 is 20353132.

231353020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107 + ... + 21613.

It is an arithmetic number, because the mean of its divisors is an integer number (20278566).

Almost surely, 2^231353020 is an apocalyptic number.

231353020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231353020 is an abundant number, since it is smaller than the sum of its proper divisors (255332564).

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

231353020 is a wasteful number, since it uses less digits than its factorization.

231353020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109 (or 20107 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 231353020 is about 15210.2932253129. The cubic root of 231353020 is about 613.8916472815.

The spelling of 231353020 in words is "two hundred thirty-one million, three hundred fifty-three thousand, twenty".