22131331431043 has 2 divisors, whose sum is σ = 22131331431044. Its totient is φ = 22131331431042.

The previous prime is 22131331431031. The next prime is 22131331431091. The reversal of 22131331431043 is 34013413313122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22131331431043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22131331430996 and 22131331431014.

It is not a weakly prime, because it can be changed into another prime (22131331431023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065665715521 + 11065665715522.

It is an arithmetic number, because the mean of its divisors is an integer number (11065665715522).

Almost surely, 2^{22131331431043} is an apocalyptic number.

22131331431043 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131331431043 is an equidigital number, since it uses as much as digits as its factorization.

22131331431043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 22131331431043 its reverse (34013413313122), we get a palindrome (56144744744165).

The spelling of 22131331431043 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred thirty-one million, four hundred thirty-one thousand, forty-three".