313311040387 has 2 divisors, whose sum is σ = 313311040388. Its totient is φ = 313311040386.

The previous prime is 313311040369. The next prime is 313311040411. The reversal of 313311040387 is 783040113313.

It is a weak prime.

It is an emirp because it is prime and its reverse (783040113313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313311040387 - 2¹⁵ = 313311007619 is a prime.

It is not a weakly prime, because it can be changed into another prime (313311040327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156655520193 + 156655520194.

It is an arithmetic number, because the mean of its divisors is an integer number (156655520194).

Almost surely, 2^313311040387 is an apocalyptic number.

313311040387 is a deficient number, since it is larger than the sum of its proper divisors (1).

313311040387 is an equidigital number, since it uses as much as digits as its factorization.

313311040387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 313311040387 in words is "three hundred thirteen billion, three hundred eleven million, forty thousand, three hundred eighty-seven".