31222130013033 has 4 divisors (see below), whose sum is σ = 41629506684048. Its totient is φ = 20814753342020.

The previous prime is 31222130012993. The next prime is 31222130013071. The reversal of 31222130013033 is 33031003122213.

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 31222130013033 - 2¹⁷ = 31222129881961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31222130012994 and 31222130013012.

It is not an unprimeable number, because it can be changed into a prime (31222130013073) 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, 5203688335503 + ... + 5203688335508.

It is an arithmetic number, because the mean of its divisors is an integer number (10407376671012).

Almost surely, 2^{31222130013033} is an apocalyptic number.

It is an amenable number.

31222130013033 is a deficient number, since it is larger than the sum of its proper divisors (10407376671015).

31222130013033 is a wasteful number, since it uses less digits than its factorization.

31222130013033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407376671014.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31222130013033 its reverse (33031003122213), we get a palindrome (64253133135246).

The spelling of 31222130013033 in words is "thirty-one trillion, two hundred twenty-two billion, one hundred thirty million, thirteen thousand, thirty-three".