22431201431213 has 2 divisors, whose sum is σ = 22431201431214. Its totient is φ = 22431201431212.

The previous prime is 22431201431203. The next prime is 22431201431237. The reversal of 22431201431213 is 31213410213422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19840138167529 + 2591063263684 = 4454227^2 + 1609678^2 .

It is a cyclic number.

It is not a de Polignac number, because 22431201431213 - 2³⁴ = 22414021562029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22431201431203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215600715606 + 11215600715607.

It is an arithmetic number, because the mean of its divisors is an integer number (11215600715607).

Almost surely, 2^{22431201431213} is an apocalyptic number.

It is an amenable number.

22431201431213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431201431213 is an equidigital number, since it uses as much as digits as its factorization.

22431201431213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 22431201431213 its reverse (31213410213422), we get a palindrome (53644611644635).

The spelling of 22431201431213 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred one million, four hundred thirty-one thousand, two hundred thirteen".