231240001404 has 48 divisors (see below), whose sum is σ = 557478526976. Its totient is φ = 74524795200.

The previous prime is 231240001367. The next prime is 231240001423. The reversal of 231240001404 is 404100042132.

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, 118434 + ... + 690294.

Almost surely, 2^231240001404 is an apocalyptic number.

It is an amenable number.

231240001404 is an abundant number, since it is smaller than the sum of its proper divisors (326238525572).

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

231240001404 is a wasteful number, since it uses less digits than its factorization.

231240001404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572986 (or 572984 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 231240001404 its reverse (404100042132), we get a palindrome (635340043536).

The spelling of 231240001404 in words is "two hundred thirty-one billion, two hundred forty million, one thousand, four hundred four".