31113422002 has 8 divisors (see below), whose sum is σ = 50260143276. Its totient is φ = 14360040912.

The previous prime is 31113421993. The next prime is 31113422027. The reversal of 31113422002 is 20022431113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31110257161 + 3164841 = 176381^2 + 1779^2 .

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

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, 598335013 + ... + 598335064.

Almost surely, 2^31113422002 is an apocalyptic number.

31113422002 is a deficient number, since it is larger than the sum of its proper divisors (19146721274).

31113422002 is a wasteful number, since it uses less digits than its factorization.

31113422002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196670092.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31113422002 its reverse (20022431113), we get a palindrome (51135853115).

The spelling of 31113422002 in words is "thirty-one billion, one hundred thirteen million, four hundred twenty-two thousand, two".