321134021404 has 24 divisors (see below), whose sum is σ = 646113968640. Its totient is φ = 136804739376.

The previous prime is 321134021393. The next prime is 321134021441. The reversal of 321134021404 is 404120431123.

It is a congruent number.

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, 34333864 + ... + 34343215.

It is an arithmetic number, because the mean of its divisors is an integer number (26921415360).

Almost surely, 2^321134021404 is an apocalyptic number.

It is an amenable number.

321134021404 is an abundant number, since it is smaller than the sum of its proper divisors (324979947236).

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

321134021404 is a wasteful number, since it uses less digits than its factorization.

321134021404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68677257 (or 68677255 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 321134021404 its reverse (404120431123), we get a palindrome (725254452527).

The spelling of 321134021404 in words is "three hundred twenty-one billion, one hundred thirty-four million, twenty-one thousand, four hundred four".