309080701 has 2 divisors, whose sum is σ = 309080702. Its totient is φ = 309080700.

The previous prime is 309080687. The next prime is 309080729. The reversal of 309080701 is 107080903.

It is an a-pointer prime, because the next prime (309080729) can be obtained adding 309080701 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308845476 + 235225 = 17574^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 309080701 - 2⁵ = 309080669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 309080701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (309080801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154540350 + 154540351.

It is an arithmetic number, because the mean of its divisors is an integer number (154540351).

Almost surely, 2^309080701 is an apocalyptic number.

It is an amenable number.

309080701 is a deficient number, since it is larger than the sum of its proper divisors (1).

309080701 is an equidigital number, since it uses as much as digits as its factorization.

309080701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 309080701 is about 17580.6911411355. The cubic root of 309080701 is about 676.1202803199.

The spelling of 309080701 in words is "three hundred nine million, eighty thousand, seven hundred one".