31022000131332 has 48 divisors (see below), whose sum is σ = 82860285425792. Its totient is φ = 8848969493760.

The previous prime is 31022000131321. The next prime is 31022000131333. The reversal of 31022000131332 is 23313100022013.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 31022000131299 and 31022000131308.

It is not an unprimeable number, because it can be changed into a prime (31022000131333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301179769 + ... + 301282752.

Almost surely, 2^{31022000131332} is an apocalyptic number.

It is an amenable number.

31022000131332 is an abundant number, since it is smaller than the sum of its proper divisors (51838285294460).

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

31022000131332 is a wasteful number, since it uses less digits than its factorization.

31022000131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602463148 (or 602463146 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31022000131332 its reverse (23313100022013), we get a palindrome (54335100153345).

The spelling of 31022000131332 in words is "thirty-one trillion, twenty-two billion, one hundred thirty-one thousand, three hundred thirty-two".