22143143402431 has 2 divisors, whose sum is σ = 22143143402432. Its totient is φ = 22143143402430.

The previous prime is 22143143402407. The next prime is 22143143402447. The reversal of 22143143402431 is 13420434134122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22143143402431 - 2²¹ = 22143141305279 is a prime.

It is a super-2 number, since 2×22143143402431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22143143403431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071571701215 + 11071571701216.

It is an arithmetic number, because the mean of its divisors is an integer number (11071571701216).

Almost surely, 2^{22143143402431} is an apocalyptic number.

22143143402431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143143402431 is an equidigital number, since it uses as much as digits as its factorization.

22143143402431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 22143143402431 its reverse (13420434134122), we get a palindrome (35563577536553).

The spelling of 22143143402431 in words is "twenty-two trillion, one hundred forty-three billion, one hundred forty-three million, four hundred two thousand, four hundred thirty-one".