31300130322 has 40 divisors (see below), whose sum is σ = 70158498300. Its totient is φ = 10429952256.

The previous prime is 31300130311. The next prime is 31300130327. The reversal of 31300130322 is 22303100313.

31300130322 is a `hidden beast` number, since 31 + 300 + 13 + 0 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27575591481 + 3724538841 = 166059^2 + 61029^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31300130295 and 31300130304.

It is not an unprimeable number, because it can be changed into a prime (31300130327) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 489754 + ... + 549962.

Almost surely, 2^31300130322 is an apocalyptic number.

31300130322 is an abundant number, since it is smaller than the sum of its proper divisors (38858367978).

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

31300130322 is a wasteful number, since it uses less digits than its factorization.

31300130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63432 (or 63423 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31300130322 its reverse (22303100313), we get a palindrome (53603230635).

The spelling of 31300130322 in words is "thirty-one billion, three hundred million, one hundred thirty thousand, three hundred twenty-two".