31322000131100 has 288 divisors, whose sum is σ = 79854485652480. Its totient is φ = 10440591759360.

The previous prime is 31322000131063. The next prime is 31322000131117. The reversal of 31322000131100 is 113100022313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6388331249 + ... + 6388336151.

Almost surely, 2^{31322000131100} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31322000131100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39927242826240).

31322000131100 is an abundant number, since it is smaller than the sum of its proper divisors (48532485521380).

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

31322000131100 is a wasteful number, since it uses less digits than its factorization.

31322000131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909 (or 5902 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31322000131100 its reverse (113100022313), we get a palindrome (31435100153413).

The spelling of 31322000131100 in words is "thirty-one trillion, three hundred twenty-two billion, one hundred thirty-one thousand, one hundred".