964343431 has 2 divisors, whose sum is σ = 964343432. Its totient is φ = 964343430.

The previous prime is 964343417. The next prime is 964343477. The reversal of 964343431 is 134343469.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 964343431 - 2⁵ = 964343399 is a prime.

It is a super-2 number, since 2×964343431² = 1859916505825703522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964343231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482171715 + 482171716.

It is an arithmetic number, because the mean of its divisors is an integer number (482171716).

Almost surely, 2^964343431 is an apocalyptic number.

964343431 is a deficient number, since it is larger than the sum of its proper divisors (1).

964343431 is an equidigital number, since it uses as much as digits as its factorization.

964343431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 37.

The square root of 964343431 is about 31053.8794838906. The cubic root of 964343431 is about 987.9703446737.

The spelling of 964343431 in words is "nine hundred sixty-four million, three hundred forty-three thousand, four hundred thirty-one".