3113213437309 has 2 divisors, whose sum is σ = 3113213437310. Its totient is φ = 3113213437308.

The previous prime is 3113213437289. The next prime is 3113213437343. The reversal of 3113213437309 is 9037343123113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2663848336900 + 449365100409 = 1632130^2 + 670347^2 .

It is an emirp because it is prime and its reverse (9037343123113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3113213437309 - 2¹⁵ = 3113213404541 is a prime.

It is a super-2 number, since 2×3113213437309² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113219437309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556606718654 + 1556606718655.

It is an arithmetic number, because the mean of its divisors is an integer number (1556606718655).

Almost surely, 2^{3113213437309} is an apocalyptic number.

It is an amenable number.

3113213437309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113213437309 is an equidigital number, since it uses as much as digits as its factorization.

3113213437309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 3113213437309 in words is "three trillion, one hundred thirteen billion, two hundred thirteen million, four hundred thirty-seven thousand, three hundred nine".