31222034411 has 12 divisors (see below), whose sum is σ = 34356363720. Its totient is φ = 28292726880.

The previous prime is 31222034399. The next prime is 31222034413. The reversal of 31222034411 is 11443022213.

It is not a de Polignac number, because 31222034411 - 2³⁴ = 14042165227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31222034413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543130 + ... + 1563231.

It is an arithmetic number, because the mean of its divisors is an integer number (2863030310).

Almost surely, 2^31222034411 is an apocalyptic number.

31222034411 is a deficient number, since it is larger than the sum of its proper divisors (3134329309).

31222034411 is a wasteful number, since it uses less digits than its factorization.

31222034411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106426 (or 3106403 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31222034411 its reverse (11443022213), we get a palindrome (42665056624).

The spelling of 31222034411 in words is "thirty-one billion, two hundred twenty-two million, thirty-four thousand, four hundred eleven".