22002031134431 has 2 divisors, whose sum is σ = 22002031134432. Its totient is φ = 22002031134430.

The previous prime is 22002031134313. The next prime is 22002031134481. The reversal of 22002031134431 is 13443113020022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002031134431 is a prime.

It is a super-2 number, since 2×22002031134431² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22002031134431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002031134481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001015567215 + 11001015567216.

It is an arithmetic number, because the mean of its divisors is an integer number (11001015567216).

Almost surely, 2^{22002031134431} is an apocalyptic number.

22002031134431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002031134431 is an equidigital number, since it uses as much as digits as its factorization.

22002031134431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22002031134431 its reverse (13443113020022), we get a palindrome (35445144154453).

The spelling of 22002031134431 in words is "twenty-two trillion, two billion, thirty-one million, one hundred thirty-four thousand, four hundred thirty-one".