431343032977 has 2 divisors, whose sum is σ = 431343032978. Its totient is φ = 431343032976.

The previous prime is 431343032969. The next prime is 431343033049. The reversal of 431343032977 is 779230343134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317339562241 + 114003470736 = 563329^2 + 337644^2 .

It is a cyclic number.

It is not a de Polignac number, because 431343032977 - 2³ = 431343032969 is a prime.

It is not a weakly prime, because it can be changed into another prime (431343032957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215671516488 + 215671516489.

It is an arithmetic number, because the mean of its divisors is an integer number (215671516489).

Almost surely, 2^431343032977 is an apocalyptic number.

It is an amenable number.

431343032977 is a deficient number, since it is larger than the sum of its proper divisors (1).

431343032977 is an equidigital number, since it uses as much as digits as its factorization.

431343032977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 46.

The spelling of 431343032977 in words is "four hundred thirty-one billion, three hundred forty-three million, thirty-two thousand, nine hundred seventy-seven".