31013323222 has 8 divisors (see below), whose sum is σ = 53165696976. Its totient is φ = 13291424232.

The previous prime is 31013323217. The next prime is 31013323259. The reversal of 31013323222 is 22232331013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31013323222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31013323193 and 31013323202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107618673 + ... + 1107618700.

It is an arithmetic number, because the mean of its divisors is an integer number (6645712122).

Almost surely, 2^31013323222 is an apocalyptic number.

31013323222 is a deficient number, since it is larger than the sum of its proper divisors (22152373754).

31013323222 is a wasteful number, since it uses less digits than its factorization.

31013323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215237382.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31013323222 its reverse (22232331013), we get a palindrome (53245654235).

The spelling of 31013323222 in words is "thirty-one billion, thirteen million, three hundred twenty-three thousand, two hundred twenty-two".