231248052 has 108 divisors (see below), whose sum is σ = 683750340. Its totient is φ = 65705472.

The previous prime is 231248051. The next prime is 231248053. The reversal of 231248052 is 250842132.

It is an interprime number because it is at equal distance from previous prime (231248051) and next prime (231248053).

It can be written as a sum of positive squares in 2 ways, for example, as 58430736 + 172817316 = 7644^2 + 13146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231248051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 594274 + ... + 594662.

Almost surely, 2^231248052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231248052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341875170).

231248052 is an abundant number, since it is smaller than the sum of its proper divisors (452502288).

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

231248052 is a wasteful number, since it uses less digits than its factorization.

231248052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 231248052 is about 15206.8422757652. The cubic root of 231248052 is about 613.7987895836.

The spelling of 231248052 in words is "two hundred thirty-one million, two hundred forty-eight thousand, fifty-two".