431220454008671 has 2 divisors, whose sum is σ = 431220454008672. Its totient is φ = 431220454008670.

The previous prime is 431220454008649. The next prime is 431220454008691. The reversal of 431220454008671 is 176800454022134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431220454008671 - 2²² = 431220449814367 is a prime.

It is a super-3 number, since 3×431220454008671³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431220454008691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215610227004335 + 215610227004336.

It is an arithmetic number, because the mean of its divisors is an integer number (215610227004336).

Almost surely, 2^{431220454008671} is an apocalyptic number.

431220454008671 is a deficient number, since it is larger than the sum of its proper divisors (1).

431220454008671 is an equidigital number, since it uses as much as digits as its factorization.

431220454008671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 431220454008671 in words is "four hundred thirty-one trillion, two hundred twenty billion, four hundred fifty-four million, eight thousand, six hundred seventy-one".