31112030322 has 12 divisors (see below), whose sum is σ = 67409399070. Its totient is φ = 10370676768.

The previous prime is 31112030321. The next prime is 31112030347. The reversal of 31112030322 is 22303021113.

31112030322 is a `hidden beast` number, since 311 + 1 + 2 + 0 + 30 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29012649561 + 2099380761 = 170331^2 + 45819^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1728446129 = 31112030322 / (3 + 1 + 1 + 1 + 2 + 0 + 3 + 0 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 31112030295 and 31112030304.

It is not an unprimeable number, because it can be changed into a prime (31112030321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 864223047 + ... + 864223082.

Almost surely, 2^31112030322 is an apocalyptic number.

31112030322 is an abundant number, since it is smaller than the sum of its proper divisors (36297368748).

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

31112030322 is a wasteful number, since it uses less digits than its factorization.

31112030322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728446137 (or 1728446134 counting only the distinct ones).

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

Adding to 31112030322 its reverse (22303021113), we get a palindrome (53415051435).

The spelling of 31112030322 in words is "thirty-one billion, one hundred twelve million, thirty thousand, three hundred twenty-two".