1013312343209 has 2 divisors, whose sum is σ = 1013312343210. Its totient is φ = 1013312343208.

The previous prime is 1013312343187. The next prime is 1013312343247. The reversal of 1013312343209 is 9023432133101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 925882723984 + 87429619225 = 962228^2 + 295685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013312343209 - 2²⁸ = 1013043907753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013312343809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506656171604 + 506656171605.

It is an arithmetic number, because the mean of its divisors is an integer number (506656171605).

Almost surely, 2^{1013312343209} is an apocalyptic number.

It is an amenable number.

1013312343209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013312343209 is an equidigital number, since it uses as much as digits as its factorization.

1013312343209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 1013312343209 in words is "one trillion, thirteen billion, three hundred twelve million, three hundred forty-three thousand, two hundred nine".