22320031091 has 2 divisors, whose sum is σ = 22320031092. Its totient is φ = 22320031090.

The previous prime is 22320031079. The next prime is 22320031103. The reversal of 22320031091 is 19013002322.

It is a balanced prime because it is at equal distance from previous prime (22320031079) and next prime (22320031103).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22320031091 is a prime.

It is a super-3 number, since 3×22320031091³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22320031001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160015545 + 11160015546.

It is an arithmetic number, because the mean of its divisors is an integer number (11160015546).

Almost surely, 2^22320031091 is an apocalyptic number.

22320031091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22320031091 is an equidigital number, since it uses as much as digits as its factorization.

22320031091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 22320031091 in words is "twenty-two billion, three hundred twenty million, thirty-one thousand, ninety-one".