312963043 has 2 divisors, whose sum is σ = 312963044. Its totient is φ = 312963042.

The previous prime is 312963023. The next prime is 312963067. The reversal of 312963043 is 340369213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312963043 - 2¹⁷ = 312831971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312962996 and 312963014.

It is not a weakly prime, because it can be changed into another prime (312963023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156481521 + 156481522.

It is an arithmetic number, because the mean of its divisors is an integer number (156481522).

Almost surely, 2^312963043 is an apocalyptic number.

312963043 is a deficient number, since it is larger than the sum of its proper divisors (1).

312963043 is an equidigital number, since it uses as much as digits as its factorization.

312963043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 312963043 is about 17690.7615155482. The cubic root of 312963043 is about 678.9394099600.

The spelling of 312963043 in words is "three hundred twelve million, nine hundred sixty-three thousand, forty-three".