31333442404 has 48 divisors (see below), whose sum is σ = 60270771456. Its totient is φ = 14135018400.

The previous prime is 31333442383. The next prime is 31333442419. The reversal of 31333442404 is 40424433313.

It is a super-2 number, since 2×31333442404² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5813799 + ... + 5819185.

It is an arithmetic number, because the mean of its divisors is an integer number (1255641072).

Almost surely, 2^31333442404 is an apocalyptic number.

It is an amenable number.

31333442404 is a deficient number, since it is larger than the sum of its proper divisors (28937329052).

31333442404 is a wasteful number, since it uses less digits than its factorization.

31333442404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376 (or 6374 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 31333442404 its reverse (40424433313), we get a palindrome (71757875717).

Subtracting 31333442404 from its reverse (40424433313), we obtain a palindrome (9090990909).

The spelling of 31333442404 in words is "thirty-one billion, three hundred thirty-three million, four hundred forty-two thousand, four hundred four".