31322302101012 has 48 divisors (see below), whose sum is σ = 80381947145472. Its totient is φ = 9432575425920.

The previous prime is 31322302100953. The next prime is 31322302101089. The reversal of 31322302101012 is 21010120322313.

It is a super-3 number, since 3×31322302101012³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31322302101012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2135992539 + ... + 2136007202.

It is an arithmetic number, because the mean of its divisors is an integer number (1674623898864).

Almost surely, 2^{31322302101012} is an apocalyptic number.

It is an amenable number.

31322302101012 is an abundant number, since it is smaller than the sum of its proper divisors (49059645044460).

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

31322302101012 is a wasteful number, since it uses less digits than its factorization.

31322302101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271999808 (or 4271999806 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31322302101012 its reverse (21010120322313), we get a palindrome (52332422423325).

The spelling of 31322302101012 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred two million, one hundred one thousand, twelve".