231401323101344 has 48 divisors (see below), whose sum is σ = 497001684060000. Its totient is φ = 105179297583360.

The previous prime is 231401323101293. The next prime is 231401323101367. The reversal of 231401323101344 is 443101323104132.

231401323101344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 231401323101344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140247 + ... + 21619049.

It is an arithmetic number, because the mean of its divisors is an integer number (10354201751250).

Almost surely, 2^{231401323101344} is an apocalyptic number.

It is an amenable number.

231401323101344 is an abundant number, since it is smaller than the sum of its proper divisors (265600360958656).

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

231401323101344 is a wasteful number, since it uses less digits than its factorization.

231401323101344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19512573 (or 19512565 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 231401323101344 its reverse (443101323104132), we get a palindrome (674502646205476).

The spelling of 231401323101344 in words is "two hundred thirty-one trillion, four hundred one billion, three hundred twenty-three million, one hundred one thousand, three hundred forty-four".