431350943 has 2 divisors, whose sum is σ = 431350944. Its totient is φ = 431350942.

The previous prime is 431350897. The next prime is 431350951. The reversal of 431350943 is 349053134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431350943 - 2²⁶ = 364242079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431350973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215675471 + 215675472.

It is an arithmetic number, because the mean of its divisors is an integer number (215675472).

Almost surely, 2^431350943 is an apocalyptic number.

431350943 is a deficient number, since it is larger than the sum of its proper divisors (1).

431350943 is an equidigital number, since it uses as much as digits as its factorization.

431350943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 431350943 is about 20768.9899369228. The cubic root of 431350943 is about 755.5738473136.

The spelling of 431350943 in words is "four hundred thirty-one million, three hundred fifty thousand, nine hundred forty-three".