31122422113 has 4 divisors (see below), whose sum is σ = 31261984768. Its totient is φ = 30982859460.

The previous prime is 31122422099. The next prime is 31122422153.

31122422113 is nontrivially palindromic in base 10.

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 31122422113 - 2¹⁷ = 31122291041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31122422153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69780993 + ... + 69781438.

It is an arithmetic number, because the mean of its divisors is an integer number (7815496192).

Almost surely, 2^31122422113 is an apocalyptic number.

It is an amenable number.

31122422113 is a deficient number, since it is larger than the sum of its proper divisors (139562655).

31122422113 is a wasteful number, since it uses less digits than its factorization.

31122422113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139562654.

The product of its digits is 576, while the sum is 22.

The spelling of 31122422113 in words is "thirty-one billion, one hundred twenty-two million, four hundred twenty-two thousand, one hundred thirteen".