22151030431 has 2 divisors, whose sum is σ = 22151030432. Its totient is φ = 22151030430.

The previous prime is 22151030411. The next prime is 22151030437. The reversal of 22151030431 is 13403015122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22151030431 - 2⁷ = 22151030303 is a prime.

It is a super-2 number, since 2×22151030431² (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 (22151030437) 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 as a sum of consecutive naturals, namely, 11075515215 + 11075515216.

It is an arithmetic number, because the mean of its divisors is an integer number (11075515216).

Almost surely, 2^22151030431 is an apocalyptic number.

22151030431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151030431 is an equidigital number, since it uses as much as digits as its factorization.

22151030431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 22151030431 its reverse (13403015122), we get a palindrome (35554045553).

The spelling of 22151030431 in words is "twenty-two billion, one hundred fifty-one million, thirty thousand, four hundred thirty-one".