22231031051 has 2 divisors, whose sum is σ = 22231031052. Its totient is φ = 22231031050.

The previous prime is 22231030957. The next prime is 22231031057. The reversal of 22231031051 is 15013013222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22231031051 is a prime.

It is not a weakly prime, because it can be changed into another prime (22231031057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115515525 + 11115515526.

It is an arithmetic number, because the mean of its divisors is an integer number (11115515526).

Almost surely, 2^22231031051 is an apocalyptic number.

22231031051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231031051 is an equidigital number, since it uses as much as digits as its factorization.

22231031051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 22231031051 its reverse (15013013222), we get a palindrome (37244044273).

The spelling of 22231031051 in words is "twenty-two billion, two hundred thirty-one million, thirty-one thousand, fifty-one".