31450442022 has 40 divisors (see below), whose sum is σ = 70632975600. Its totient is φ = 10459576656.

The previous prime is 31450441987. The next prime is 31450442041. The reversal of 31450442022 is 22024405413.

31450442022 is a `hidden beast` number, since 3 + 1 + 450 + 4 + 4 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 149997 + ... + 292232.

It is an arithmetic number, because the mean of its divisors is an integer number (1765824390).

Almost surely, 2^31450442022 is an apocalyptic number.

31450442022 is an abundant number, since it is smaller than the sum of its proper divisors (39182533578).

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

31450442022 is a wasteful number, since it uses less digits than its factorization.

31450442022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442682 (or 442673 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 31450442022 its reverse (22024405413), we get a palindrome (53474847435).

The spelling of 31450442022 in words is "thirty-one billion, four hundred fifty million, four hundred forty-two thousand, twenty-two".