231244252000 has 96 divisors (see below), whose sum is σ = 586495413504. Its totient is φ = 89513856000.

The previous prime is 231244251971. The next prime is 231244252027. The reversal of 231244252000 is 252442132.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808437 + ... + 1056436.

It is an arithmetic number, because the mean of its divisors is an integer number (6109327224).

Almost surely, 2^231244252000 is an apocalyptic number.

231244252000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231244252000 is an abundant number, since it is smaller than the sum of its proper divisors (355251161504).

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

231244252000 is a wasteful number, since it uses less digits than its factorization.

231244252000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864929 (or 1864911 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 231244252000 its reverse (252442132), we get a palindrome (231496694132).

The spelling of 231244252000 in words is "two hundred thirty-one billion, two hundred forty-four million, two hundred fifty-two thousand".