231552311404 has 12 divisors (see below), whose sum is σ = 405716201128. Its totient is φ = 115633396800.

The previous prime is 231552311371. The next prime is 231552311447. The reversal of 231552311404 is 404113255132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35686077 + ... + 35692564.

Almost surely, 2^231552311404 is an apocalyptic number.

It is an amenable number.

231552311404 is a deficient number, since it is larger than the sum of its proper divisors (174163889724).

231552311404 is a wasteful number, since it uses less digits than its factorization.

231552311404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71379456 (or 71379454 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 231552311404 its reverse (404113255132), we get a palindrome (635665566536).

The spelling of 231552311404 in words is "two hundred thirty-one billion, five hundred fifty-two million, three hundred eleven thousand, four hundred four".