313155343 has 2 divisors, whose sum is σ = 313155344. Its totient is φ = 313155342.

The previous prime is 313155307. The next prime is 313155389. The reversal of 313155343 is 343551313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313155343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313155443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156577671 + 156577672.

It is an arithmetic number, because the mean of its divisors is an integer number (156577672).

Almost surely, 2^313155343 is an apocalyptic number.

313155343 is a deficient number, since it is larger than the sum of its proper divisors (1).

313155343 is an equidigital number, since it uses as much as digits as its factorization.

313155343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 28.

The square root of 313155343 is about 17696.1957211148. The cubic root of 313155343 is about 679.0784394926.

The spelling of 313155343 in words is "three hundred thirteen million, one hundred fifty-five thousand, three hundred forty-three".