316479343 has 2 divisors, whose sum is σ = 316479344. Its totient is φ = 316479342.

The previous prime is 316479337. The next prime is 316479367. The reversal of 316479343 is 343974613.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316479343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316479296 and 316479305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316479313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158239671 + 158239672.

It is an arithmetic number, because the mean of its divisors is an integer number (158239672).

Almost surely, 2^316479343 is an apocalyptic number.

316479343 is a deficient number, since it is larger than the sum of its proper divisors (1).

316479343 is an equidigital number, since it uses as much as digits as its factorization.

316479343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 40.

The square root of 316479343 is about 17789.8663007905. The cubic root of 316479343 is about 681.4726898950.

The spelling of 316479343 in words is "three hundred sixteen million, four hundred seventy-nine thousand, three hundred forty-three".