31304414022040 has 32 divisors (see below), whose sum is σ = 70435104007680. Its totient is φ = 12521734949632.

The previous prime is 31304414022029. The next prime is 31304414022073. The reversal of 31304414022040 is 4022041440313.

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, 22945284 + ... + 24271276.

It is an arithmetic number, because the mean of its divisors is an integer number (2201097000240).

Almost surely, 2^{31304414022040} is an apocalyptic number.

It is an amenable number.

31304414022040 is an abundant number, since it is smaller than the sum of its proper divisors (39130689985640).

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

31304414022040 is a wasteful number, since it uses less digits than its factorization.

31304414022040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916211 (or 1916207 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31304414022040 its reverse (4022041440313), we get a palindrome (35326455462353).

The spelling of 31304414022040 in words is "thirty-one trillion, three hundred four billion, four hundred fourteen million, twenty-two thousand, forty".