313230733 has 2 divisors, whose sum is σ = 313230734. Its totient is φ = 313230732.

The previous prime is 313230719. The next prime is 313230737. The reversal of 313230733 is 337032313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285373449 + 27857284 = 16893^2 + 5278^2 .

It is a cyclic number.

It is not a de Polignac number, because 313230733 - 2¹³ = 313222541 is a prime.

It is a super-2 number, since 2×313230733² = 196226984191434578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313230698 and 313230707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313230737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156615366 + 156615367.

It is an arithmetic number, because the mean of its divisors is an integer number (156615367).

Almost surely, 2^313230733 is an apocalyptic number.

It is an amenable number.

313230733 is a deficient number, since it is larger than the sum of its proper divisors (1).

313230733 is an equidigital number, since it uses as much as digits as its factorization.

313230733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 25.

The square root of 313230733 is about 17698.3257117729. The cubic root of 313230733 is about 679.1329296117.

The spelling of 313230733 in words is "three hundred thirteen million, two hundred thirty thousand, seven hundred thirty-three".