3111200323391 has 2 divisors, whose sum is σ = 3111200323392. Its totient is φ = 3111200323390.

The previous prime is 3111200323261. The next prime is 3111200323409. The reversal of 3111200323391 is 1933230021113.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1933230021113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111200323391 is a prime.

It is a super-4 number, since 4×3111200323391⁴ (a number of 51 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111200320391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555600161695 + 1555600161696.

It is an arithmetic number, because the mean of its divisors is an integer number (1555600161696).

Almost surely, 2^{3111200323391} is an apocalyptic number.

3111200323391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111200323391 is an equidigital number, since it uses as much as digits as its factorization.

3111200323391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 3111200323391 in words is "three trillion, one hundred eleven billion, two hundred million, three hundred twenty-three thousand, three hundred ninety-one".