231141900 has 144 divisors (see below), whose sum is σ = 738702720. Its totient is φ = 55334400.

The previous prime is 231141853. The next prime is 231141901. The reversal of 231141900 is 9141132.

231141900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231141900² = 106853155871220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231141901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 293307 + ... + 294093.

It is an arithmetic number, because the mean of its divisors is an integer number (5129880).

Almost surely, 2^231141900 is an apocalyptic number.

231141900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231141900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369351360).

231141900 is an abundant number, since it is smaller than the sum of its proper divisors (507560820).

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

231141900 is a wasteful number, since it uses less digits than its factorization.

231141900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 231141900 is about 15203.3516041694. The cubic root of 231141900 is about 613.7048559039.

The spelling of 231141900 in words is "two hundred thirty-one million, one hundred forty-one thousand, nine hundred".