231014403220 has 48 divisors (see below), whose sum is σ = 487290924288. Its totient is φ = 91995108480.

The previous prime is 231014403209. The next prime is 231014403239. The reversal of 231014403220 is 22304410132.

It is a junction number, because it is equal to n+sod(n) for n = 231014403191 and 231014403200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4124805 + ... + 4180435.

It is an arithmetic number, because the mean of its divisors is an integer number (10151894256).

Almost surely, 2^231014403220 is an apocalyptic number.

231014403220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231014403220 is an abundant number, since it is smaller than the sum of its proper divisors (256276521068).

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

231014403220 is a wasteful number, since it uses less digits than its factorization.

231014403220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56560 (or 56558 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 231014403220 its reverse (22304410132), we get a palindrome (253318813352).

The spelling of 231014403220 in words is "two hundred thirty-one billion, fourteen million, four hundred three thousand, two hundred twenty".