3111311221339 has 2 divisors, whose sum is σ = 3111311221340. Its totient is φ = 3111311221338.

The previous prime is 3111311221313. The next prime is 3111311221351. The reversal of 3111311221339 is 9331221131113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3111311221339 - 2⁵ = 3111311221307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3111311221339.

It is not a weakly prime, because it can be changed into another prime (3111311251339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555655610669 + 1555655610670.

It is an arithmetic number, because the mean of its divisors is an integer number (1555655610670).

Almost surely, 2^{3111311221339} is an apocalyptic number.

3111311221339 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111311221339 is an equidigital number, since it uses as much as digits as its factorization.

3111311221339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 31.

The spelling of 3111311221339 in words is "three trillion, one hundred eleven billion, three hundred eleven million, two hundred twenty-one thousand, three hundred thirty-nine".