31013030222 has 32 divisors (see below), whose sum is σ = 48064816800. Its totient is φ = 14996717568.

The previous prime is 31013030219. The next prime is 31013030233. The reversal of 31013030222 is 22203031013.

It is a self number, because there is not a number n which added to its sum of digits gives 31013030222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13257929 + ... + 13260267.

It is an arithmetic number, because the mean of its divisors is an integer number (1502025525).

Almost surely, 2^31013030222 is an apocalyptic number.

31013030222 is a deficient number, since it is larger than the sum of its proper divisors (17051786578).

31013030222 is a wasteful number, since it uses less digits than its factorization.

31013030222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31013030222 its reverse (22203031013), we get a palindrome (53216061235).

The spelling of 31013030222 in words is "thirty-one billion, thirteen million, thirty thousand, two hundred twenty-two".