431403343271 has 2 divisors, whose sum is σ = 431403343272. Its totient is φ = 431403343270.

The previous prime is 431403343181. The next prime is 431403343279. The reversal of 431403343271 is 172343304134.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431403343271 is a prime.

It is a super-2 number, since 2×431403343271² (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 (431403343279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215701671635 + 215701671636.

It is an arithmetic number, because the mean of its divisors is an integer number (215701671636).

Almost surely, 2^431403343271 is an apocalyptic number.

431403343271 is a deficient number, since it is larger than the sum of its proper divisors (1).

431403343271 is an equidigital number, since it uses as much as digits as its factorization.

431403343271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 431403343271 in words is "four hundred thirty-one billion, four hundred three million, three hundred forty-three thousand, two hundred seventy-one".