313011331219 has 2 divisors, whose sum is σ = 313011331220. Its totient is φ = 313011331218.

The previous prime is 313011331187. The next prime is 313011331247. The reversal of 313011331219 is 912133110313.

It is an a-pointer prime, because the next prime (313011331247) can be obtained adding 313011331219 to its sum of digits (28).

It is a strong prime.

It is an emirp because it is prime and its reverse (912133110313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313011331219 - 2⁵ = 313011331187 is a prime.

It is a super-2 number, since 2×313011331219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313011331019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156505665609 + 156505665610.

It is an arithmetic number, because the mean of its divisors is an integer number (156505665610).

Almost surely, 2^313011331219 is an apocalyptic number.

313011331219 is a deficient number, since it is larger than the sum of its proper divisors (1).

313011331219 is an equidigital number, since it uses as much as digits as its factorization.

313011331219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The spelling of 313011331219 in words is "three hundred thirteen billion, eleven million, three hundred thirty-one thousand, two hundred nineteen".