31140313022 has 16 divisors (see below), whose sum is σ = 57489808992. Its totient is φ = 12319244640.

The previous prime is 31140312977. The next prime is 31140313079. The reversal of 31140313022 is 22031304113.

It is a junction number, because it is equal to n+sod(n) for n = 31140312985 and 31140313003.

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, 85550129 + ... + 85550492.

It is an arithmetic number, because the mean of its divisors is an integer number (3593113062).

Almost surely, 2^31140313022 is an apocalyptic number.

31140313022 is a deficient number, since it is larger than the sum of its proper divisors (26349495970).

31140313022 is a wasteful number, since it uses less digits than its factorization.

31140313022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171100643.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31140313022 its reverse (22031304113), we get a palindrome (53171617135).

The spelling of 31140313022 in words is "thirty-one billion, one hundred forty million, three hundred thirteen thousand, twenty-two".