313140313 has 2 divisors, whose sum is σ = 313140314. Its totient is φ = 313140312.

The previous prime is 313140301. The next prime is 313140343. The reversal of 313140313 is 313041313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246113344 + 67026969 = 15688^2 + 8187^2 .

It is a cyclic number.

It is not a de Polignac number, because 313140313 - 2¹³ = 313132121 is a prime.

It is not a weakly prime, because it can be changed into another prime (313140343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156570156 + 156570157.

It is an arithmetic number, because the mean of its divisors is an integer number (156570157).

Almost surely, 2^313140313 is an apocalyptic number.

It is an amenable number.

313140313 is a deficient number, since it is larger than the sum of its proper divisors (1).

313140313 is an equidigital number, since it uses as much as digits as its factorization.

313140313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 313140313 is about 17695.7710484737. The cubic root of 313140313 is about 679.0675751166.

Adding to 313140313 its reverse (313041313), we get a palindrome (626181626).

The spelling of 313140313 in words is "three hundred thirteen million, one hundred forty thousand, three hundred thirteen".