331104512421 has 12 divisors (see below), whose sum is σ = 478340672160. Its totient is φ = 220700065320.

The previous prime is 331104512383. The next prime is 331104512513. The reversal of 331104512421 is 124215401133.

331104512421 is a `hidden beast` number, since 3 + 3 + 1 + 104 + 512 + 42 + 1 = 666.

It is not a de Polignac number, because 331104512421 - 2²⁵ = 331070957989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331104512621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2965161 + ... + 3074798.

It is an arithmetic number, because the mean of its divisors is an integer number (39861722680).

Almost surely, 2^331104512421 is an apocalyptic number.

It is an amenable number.

331104512421 is a deficient number, since it is larger than the sum of its proper divisors (147236159739).

331104512421 is a wasteful number, since it uses less digits than its factorization.

331104512421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046056 (or 6046053 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 331104512421 its reverse (124215401133), we get a palindrome (455319913554).

The spelling of 331104512421 in words is "three hundred thirty-one billion, one hundred four million, five hundred twelve thousand, four hundred twenty-one".