313020210109 has 2 divisors, whose sum is σ = 313020210110. Its totient is φ = 313020210108.

The previous prime is 313020210091. The next prime is 313020210199. The reversal of 313020210109 is 901012020313.

Together with previous prime (313020210091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298638204484 + 14382005625 = 546478^2 + 119925^2 .

It is a cyclic number.

It is not a de Polignac number, because 313020210109 - 2⁵ = 313020210077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313020210109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313020210199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156510105054 + 156510105055.

It is an arithmetic number, because the mean of its divisors is an integer number (156510105055).

Almost surely, 2^313020210109 is an apocalyptic number.

It is an amenable number.

313020210109 is a deficient number, since it is larger than the sum of its proper divisors (1).

313020210109 is an equidigital number, since it uses as much as digits as its factorization.

313020210109 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.

The spelling of 313020210109 in words is "three hundred thirteen billion, twenty million, two hundred ten thousand, one hundred nine".