31404584022 has 64 divisors (see below), whose sum is σ = 73958476800. Its totient is φ = 8885564352.

The previous prime is 31404583999. The next prime is 31404584047. The reversal of 31404584022 is 22048540413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137898 + ... + 286050.

It is an arithmetic number, because the mean of its divisors is an integer number (1155601200).

Almost surely, 2^31404584022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31404584022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36979238400).

31404584022 is an abundant number, since it is smaller than the sum of its proper divisors (42553892778).

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

31404584022 is a wasteful number, since it uses less digits than its factorization.

31404584022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148282 (or 148268 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 31404584022 in words is "thirty-one billion, four hundred four million, five hundred eighty-four thousand, twenty-two".