312417043 has 2 divisors, whose sum is σ = 312417044. Its totient is φ = 312417042.

The previous prime is 312416989. The next prime is 312417071. The reversal of 312417043 is 340714213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312417043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312416999 and 312417017.

It is not a weakly prime, because it can be changed into another prime (312217043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156208521 + 156208522.

It is an arithmetic number, because the mean of its divisors is an integer number (156208522).

Almost surely, 2^312417043 is an apocalyptic number.

312417043 is a deficient number, since it is larger than the sum of its proper divisors (1).

312417043 is an equidigital number, since it uses as much as digits as its factorization.

312417043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 312417043 is about 17675.3229956343. The cubic root of 312417043 is about 678.5443508499.

It can be divided in two parts, 3124170 and 43, that added together give a palindrome (3124213).

The spelling of 312417043 in words is "three hundred twelve million, four hundred seventeen thousand, forty-three".