231452100 has 144 divisors (see below), whose sum is σ = 811823040. Its totient is φ = 56102400.

The previous prime is 231452099. The next prime is 231452149. The reversal of 231452100 is 1254132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25804 + ... + 33596.

It is an arithmetic number, because the mean of its divisors is an integer number (5637660).

Almost surely, 2^231452100 is an apocalyptic number.

231452100 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 231452100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405911520).

231452100 is an abundant number, since it is smaller than the sum of its proper divisors (580370940).

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

231452100 is a wasteful number, since it uses less digits than its factorization.

231452100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7827 (or 7814 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 231452100 is about 15213.5498816023. The cubic root of 231452100 is about 613.9792705214.

The spelling of 231452100 in words is "two hundred thirty-one million, four hundred fifty-two thousand, one hundred".