231450252 has 96 divisors (see below), whose sum is σ = 609633024. Its totient is φ = 68302080.

The previous prime is 231450187. The next prime is 231450269. The reversal of 231450252 is 252054132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686628 + ... + 686964.

It is an arithmetic number, because the mean of its divisors is an integer number (6350344).

Almost surely, 2^231450252 is an apocalyptic number.

231450252 is a gapful number since it is divisible by the number (22) 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 231450252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304816512).

231450252 is an abundant number, since it is smaller than the sum of its proper divisors (378182772).

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

231450252 is a wasteful number, since it uses less digits than its factorization.

231450252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 231450252 is about 15213.4891461492. The cubic root of 231450252 is about 613.9776364371.

It can be divided in two parts, 231450 and 252, that multiplied together give a triangular number (58325400 = T₁₀₈₀₀).

The spelling of 231450252 in words is "two hundred thirty-one million, four hundred fifty thousand, two hundred fifty-two".