431240347207 has 2 divisors, whose sum is σ = 431240347208. Its totient is φ = 431240347206.

The previous prime is 431240347183. The next prime is 431240347211. The reversal of 431240347207 is 702743042134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431240347207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431240347247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215620173603 + 215620173604.

It is an arithmetic number, because the mean of its divisors is an integer number (215620173604).

Almost surely, 2^431240347207 is an apocalyptic number.

431240347207 is a deficient number, since it is larger than the sum of its proper divisors (1).

431240347207 is an equidigital number, since it uses as much as digits as its factorization.

431240347207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 431240347207 in words is "four hundred thirty-one billion, two hundred forty million, three hundred forty-seven thousand, two hundred seven".