431203102222973 has 2 divisors, whose sum is σ = 431203102222974. Its totient is φ = 431203102222972.

The previous prime is 431203102222961. The next prime is 431203102223017. The reversal of 431203102222973 is 379222201302134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430107033516484 + 1096068706489 = 20739022^2 + 1046933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431203102222973 is a prime.

It is a super-2 number, since 2×431203102222973² (a number of 30 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 431203102222973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431203102222073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215601551111486 + 215601551111487.

It is an arithmetic number, because the mean of its divisors is an integer number (215601551111487).

Almost surely, 2^{431203102222973} is an apocalyptic number.

It is an amenable number.

431203102222973 is a deficient number, since it is larger than the sum of its proper divisors (1).

431203102222973 is an equidigital number, since it uses as much as digits as its factorization.

431203102222973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 431203102222973 in words is "four hundred thirty-one trillion, two hundred three billion, one hundred two million, two hundred twenty-two thousand, nine hundred seventy-three".