231244333158400 has 117 divisors (see below), whose sum is σ = 573428007457923. Its totient is φ = 92495786803200.

The previous prime is 231244333158323. The next prime is 231244333158451. The reversal of 231244333158400 is 4851333442132.

The square root of 231244333158400 is 15206720.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 21748120326144 + 209496212832256 = 4663488^2 + 14473984^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4866126640 + ... + 4866174160.

Almost surely, 2^{231244333158400} is an apocalyptic number.

231244333158400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

231244333158400 is the 15206720-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231244333158400

231244333158400 is an abundant number, since it is smaller than the sum of its proper divisors (342183674299523).

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

231244333158400 is an frugal number, since it uses more digits than its factorization.

231244333158400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95076 (or 47528 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 231244333158400 in words is "two hundred thirty-one trillion, two hundred forty-four billion, three hundred thirty-three million, one hundred fifty-eight thousand, four hundred".