231350020 has 24 divisors (see below), whose sum is σ = 530002368. Its totient is φ = 84127200.

The previous prime is 231349997. The next prime is 231350029. The reversal of 231350020 is 20053132.

231350020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231349976 and 231350003.

It is not an unprimeable number, because it can be changed into a prime (231350029) 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 7 ways as a sum of consecutive naturals, for example, 525576 + ... + 526015.

It is an arithmetic number, because the mean of its divisors is an integer number (22083432).

Almost surely, 2^231350020 is an apocalyptic number.

231350020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231350020 is an abundant number, since it is smaller than the sum of its proper divisors (298652348).

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

231350020 is a wasteful number, since it uses less digits than its factorization.

231350020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051611 (or 1051609 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 231350020 is about 15210.1946075650. The cubic root of 231350020 is about 613.8889937856. Note that the first 3 decimals are identical.

The spelling of 231350020 in words is "two hundred thirty-one million, three hundred fifty thousand, twenty".