313220300989 has 2 divisors, whose sum is σ = 313220300990. Its totient is φ = 313220300988.

The previous prime is 313220300977. The next prime is 313220301029. The reversal of 313220300989 is 989003022313.

It is a happy number.

It is an a-pointer prime, because the next prime (313220301029) can be obtained adding 313220300989 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309458564100 + 3761736889 = 556290^2 + 61333^2 .

It is a cyclic number.

It is not a de Polignac number, because 313220300989 - 2²⁹ = 312683430077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313220300909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156610150494 + 156610150495.

It is an arithmetic number, because the mean of its divisors is an integer number (156610150495).

Almost surely, 2^313220300989 is an apocalyptic number.

It is an amenable number.

313220300989 is a deficient number, since it is larger than the sum of its proper divisors (1).

313220300989 is an equidigital number, since it uses as much as digits as its factorization.

313220300989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 313220300989 in words is "three hundred thirteen billion, two hundred twenty million, three hundred thousand, nine hundred eighty-nine".