31113311322 has 16 divisors (see below), whose sum is σ = 63908423712. Its totient is φ = 10090803600.

The previous prime is 31113311303. The next prime is 31113311323. The reversal of 31113311322 is 22311331113.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (31113311323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70074804 + ... + 70075247.

It is an arithmetic number, because the mean of its divisors is an integer number (3994276482).

Almost surely, 2^31113311322 is an apocalyptic number.

31113311322 is an abundant number, since it is smaller than the sum of its proper divisors (32795112390).

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

31113311322 is a wasteful number, since it uses less digits than its factorization.

31113311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140150093.

The product of its digits is 324, while the sum is 21.

Adding to 31113311322 its reverse (22311331113), we get a palindrome (53424642435).

The spelling of 31113311322 in words is "thirty-one billion, one hundred thirteen million, three hundred eleven thousand, three hundred twenty-two".