31233220104304 has 40 divisors (see below), whose sum is σ = 60892357818240. Its totient is φ = 15519366667200.

The previous prime is 31233220104299. The next prime is 31233220104353. The reversal of 31233220104304 is 40340102233213.

It is a happy number.

It is a super-3 number, since 3×31233220104304³ (a number of 41 digits) contains 333 as substring.

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, 7834474 + ... + 11128585.

It is an arithmetic number, because the mean of its divisors is an integer number (1522308945456).

Almost surely, 2^{31233220104304} is an apocalyptic number.

It is an amenable number.

31233220104304 is a deficient number, since it is larger than the sum of its proper divisors (29659137713936).

31233220104304 is a wasteful number, since it uses less digits than its factorization.

31233220104304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18963709 (or 18963703 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31233220104304 its reverse (40340102233213), we get a palindrome (71573322337517).

The spelling of 31233220104304 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred twenty million, one hundred four thousand, three hundred four".