31322200113 has 12 divisors (see below), whose sum is σ = 46465967028. Its totient is φ = 20317102560.

The previous prime is 31322200111. The next prime is 31322200121. The reversal of 31322200113 is 31100222313.

31322200113 is a `hidden beast` number, since 31 + 322 + 200 + 113 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30139390449 + 1182809664 = 173607^2 + 34392^2 .

It is not a de Polignac number, because 31322200113 - 2¹ = 31322200111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31322200111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47029998 + ... + 47030663.

It is an arithmetic number, because the mean of its divisors is an integer number (3872163919).

Almost surely, 2^31322200113 is an apocalyptic number.

It is an amenable number.

31322200113 is a deficient number, since it is larger than the sum of its proper divisors (15143766915).

31322200113 is a wasteful number, since it uses less digits than its factorization.

31322200113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94060704 (or 94060701 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31322200113 its reverse (31100222313), we get a palindrome (62422422426).

It can be divided in two parts, 31322200 and 113, that added together give a palindrome (31322313).

The spelling of 31322200113 in words is "thirty-one billion, three hundred twenty-two million, two hundred thousand, one hundred thirteen".