313289983 has 2 divisors, whose sum is σ = 313289984. Its totient is φ = 313289982.

The previous prime is 313289927. The next prime is 313290011. The reversal of 313289983 is 389982313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313289983 - 2¹³ = 313281791 is a prime.

It is a super-2 number, since 2×313289983² = 196301226896280578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313289903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156644991 + 156644992.

It is an arithmetic number, because the mean of its divisors is an integer number (156644992).

Almost surely, 2^313289983 is an apocalyptic number.

313289983 is a deficient number, since it is larger than the sum of its proper divisors (1).

313289983 is an equidigital number, since it uses as much as digits as its factorization.

313289983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 46.

The square root of 313289983 is about 17699.9995197740. Note that the first 3 decimals coincide. The cubic root of 313289983 is about 679.1757479827.

The spelling of 313289983 in words is "three hundred thirteen million, two hundred eighty-nine thousand, nine hundred eighty-three".