31310100022 has 8 divisors (see below), whose sum is σ = 46975214376. Its totient is φ = 15651695232.

The previous prime is 31310099993. The next prime is 31310100083. The reversal of 31310100022 is 22000101313.

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

It is a junction number, because it is equal to n+sod(n) for n = 31310099975 and 31310100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665708 + ... + 1684399.

It is an arithmetic number, because the mean of its divisors is an integer number (5871901797).

Almost surely, 2^31310100022 is an apocalyptic number.

31310100022 is a deficient number, since it is larger than the sum of its proper divisors (15665114354).

31310100022 is a wasteful number, since it uses less digits than its factorization.

31310100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354782.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31310100022 its reverse (22000101313), we get a palindrome (53310201335).

The spelling of 31310100022 in words is "thirty-one billion, three hundred ten million, one hundred thousand, twenty-two".