313103210021311 has 2 divisors, whose sum is σ = 313103210021312. Its totient is φ = 313103210021310.

The previous prime is 313103210021281. The next prime is 313103210021363. The reversal of 313103210021311 is 113120012301313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313103210021311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313103210028311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156551605010655 + 156551605010656.

It is an arithmetic number, because the mean of its divisors is an integer number (156551605010656).

Almost surely, 2^{313103210021311} is an apocalyptic number.

313103210021311 is a deficient number, since it is larger than the sum of its proper divisors (1).

313103210021311 is an equidigital number, since it uses as much as digits as its factorization.

313103210021311 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 22.

Adding to 313103210021311 its reverse (113120012301313), we get a palindrome (426223222322624).

The spelling of 313103210021311 in words is "three hundred thirteen trillion, one hundred three billion, two hundred ten million, twenty-one thousand, three hundred eleven".