22113022031 has 2 divisors, whose sum is σ = 22113022032. Its totient is φ = 22113022030.

The previous prime is 22113022027. The next prime is 22113022037. The reversal of 22113022031 is 13022031122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22113022031 - 2² = 22113022027 is a prime.

It is a super-2 number, since 2×22113022031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22113022037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056511015 + 11056511016.

It is an arithmetic number, because the mean of its divisors is an integer number (11056511016).

Almost surely, 2^22113022031 is an apocalyptic number.

22113022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113022031 is an equidigital number, since it uses as much as digits as its factorization.

22113022031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22113022031 its reverse (13022031122), we get a palindrome (35135053153).

Subtracting from 22113022031 its reverse (13022031122), we obtain a palindrome (9090990909).

The spelling of 22113022031 in words is "twenty-two billion, one hundred thirteen million, twenty-two thousand, thirty-one".