3111203213329 has 2 divisors, whose sum is σ = 3111203213330. Its totient is φ = 3111203213328.

The previous prime is 3111203213309. The next prime is 3111203213351. The reversal of 3111203213329 is 9233123021113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2439906480400 + 671296732929 = 1562020^2 + 819327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111203213329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3111203213329.

It is not a weakly prime, because it can be changed into another prime (3111203213309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555601606664 + 1555601606665.

It is an arithmetic number, because the mean of its divisors is an integer number (1555601606665).

Almost surely, 2^{3111203213329} is an apocalyptic number.

It is an amenable number.

3111203213329 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111203213329 is an equidigital number, since it uses as much as digits as its factorization.

3111203213329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 3111203213329 in words is "three trillion, one hundred eleven billion, two hundred three million, two hundred thirteen thousand, three hundred twenty-nine".