313122727 has 2 divisors, whose sum is σ = 313122728. Its totient is φ = 313122726.

The previous prime is 313122707. The next prime is 313122757. The reversal of 313122727 is 727221313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313122727 - 2¹¹ = 313120679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313122695 and 313122704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313122707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156561363 + 156561364.

It is an arithmetic number, because the mean of its divisors is an integer number (156561364).

Almost surely, 2^313122727 is an apocalyptic number.

313122727 is a deficient number, since it is larger than the sum of its proper divisors (1).

313122727 is an equidigital number, since it uses as much as digits as its factorization.

313122727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 28.

The square root of 313122727 is about 17695.2741431152. The cubic root of 313122727 is about 679.0548627046.

The spelling of 313122727 in words is "three hundred thirteen million, one hundred twenty-two thousand, seven hundred twenty-seven".