431020483021 has 2 divisors, whose sum is σ = 431020483022. Its totient is φ = 431020483020.

The previous prime is 431020483013. The next prime is 431020483027. The reversal of 431020483021 is 120384020134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373002126121 + 58018356900 = 610739^2 + 240870^2 .

It is a cyclic number.

It is not a de Polignac number, because 431020483021 - 2³ = 431020483013 is a prime.

It is a super-2 number, since 2×431020483021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431020483027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215510241510 + 215510241511.

It is an arithmetic number, because the mean of its divisors is an integer number (215510241511).

Almost surely, 2^431020483021 is an apocalyptic number.

It is an amenable number.

431020483021 is a deficient number, since it is larger than the sum of its proper divisors (1).

431020483021 is an equidigital number, since it uses as much as digits as its factorization.

431020483021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 431020483021 in words is "four hundred thirty-one billion, twenty million, four hundred eighty-three thousand, twenty-one".