31222241511122 has 4 divisors (see below), whose sum is σ = 46833362266686. Its totient is φ = 15611120755560.

The previous prime is 31222241511113. The next prime is 31222241511143. The reversal of 31222241511122 is 22111514222213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16539098115241 + 14683143395881 = 4066829^2 + 3831859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7805560377779 + ... + 7805560377782.

Almost surely, 2^{31222241511122} is an apocalyptic number.

31222241511122 is a deficient number, since it is larger than the sum of its proper divisors (15611120755564).

31222241511122 is a wasteful number, since it uses less digits than its factorization.

31222241511122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15611120755563.

The product of its digits is 3840, while the sum is 29.

Adding to 31222241511122 its reverse (22111514222213), we get a palindrome (53333755733335).

The spelling of 31222241511122 in words is "thirty-one trillion, two hundred twenty-two billion, two hundred forty-one million, five hundred eleven thousand, one hundred twenty-two".