31330122222233 has 4 divisors (see below), whose sum is σ = 32340771326208. Its totient is φ = 30319473118260.

The previous prime is 31330122222229. The next prime is 31330122222247. The reversal of 31330122222233 is 33222222103313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31330122222233 - 2² = 31330122222229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31330122222196 and 31330122222205.

It is not an unprimeable number, because it can be changed into a prime (31330122222433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505324551941 + ... + 505324552002.

It is an arithmetic number, because the mean of its divisors is an integer number (8085192831552).

Almost surely, 2^{31330122222233} is an apocalyptic number.

It is an amenable number.

31330122222233 is a deficient number, since it is larger than the sum of its proper divisors (1010649103975).

31330122222233 is a wasteful number, since it uses less digits than its factorization.

31330122222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010649103974.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 31330122222233 its reverse (33222222103313), we get a palindrome (64552344325546).

The spelling of 31330122222233 in words is "thirty-one trillion, three hundred thirty billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-three".