431021204422273 has 2 divisors, whose sum is σ = 431021204422274. Its totient is φ = 431021204422272.

The previous prime is 431021204422247. The next prime is 431021204422321. The reversal of 431021204422273 is 372224402120134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250563034447489 + 180458169974784 = 15829183^2 + 13433472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431021204422273 is a prime.

It is not a weakly prime, because it can be changed into another prime (431021204422373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215510602211136 + 215510602211137.

It is an arithmetic number, because the mean of its divisors is an integer number (215510602211137).

Almost surely, 2^{431021204422273} is an apocalyptic number.

It is an amenable number.

431021204422273 is a deficient number, since it is larger than the sum of its proper divisors (1).

431021204422273 is an equidigital number, since it uses as much as digits as its factorization.

431021204422273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 431021204422273 in words is "four hundred thirty-one trillion, twenty-one billion, two hundred four million, four hundred twenty-two thousand, two hundred seventy-three".