307312472017 has 2 divisors, whose sum is σ = 307312472018. Its totient is φ = 307312472016.

The previous prime is 307312472009. The next prime is 307312472069. The reversal of 307312472017 is 710274213703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206325801361 + 100986670656 = 454231^2 + 317784^2 .

It is a cyclic number.

It is not a de Polignac number, because 307312472017 - 2³ = 307312472009 is a prime.

It is a super-3 number, since 3×307312472017³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (307312478017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153656236008 + 153656236009.

It is an arithmetic number, because the mean of its divisors is an integer number (153656236009).

Almost surely, 2^307312472017 is an apocalyptic number.

It is an amenable number.

307312472017 is a deficient number, since it is larger than the sum of its proper divisors (1).

307312472017 is an equidigital number, since it uses as much as digits as its factorization.

307312472017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 307312472017 in words is "three hundred seven billion, three hundred twelve million, four hundred seventy-two thousand, seventeen".