231240000344 has 16 divisors (see below), whose sum is σ = 433608297000. Its totient is φ = 115611121152.

The previous prime is 231240000307. The next prime is 231240000349. The reversal of 231240000344 is 443000042132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231240000349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998537 + ... + 1208120.

Almost surely, 2^231240000344 is an apocalyptic number.

It is an amenable number.

231240000344 is a deficient number, since it is larger than the sum of its proper divisors (202368296656).

231240000344 is a wasteful number, since it uses less digits than its factorization.

231240000344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219762 (or 2219758 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 231240000344 its reverse (443000042132), we get a palindrome (674240042476).

The spelling of 231240000344 in words is "two hundred thirty-one billion, two hundred forty million, three hundred forty-four", and thus it is an aban number.