3111012043 has 2 divisors, whose sum is σ = 3111012044. Its totient is φ = 3111012042.

The previous prime is 3111011989. The next prime is 3111012049. The reversal of 3111012043 is 3402101113.

It is a strong prime.

It is an emirp because it is prime and its reverse (3402101113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3111012043 - 2²⁵ = 3077457611 is a prime.

It is not a weakly prime, because it can be changed into another prime (3111012049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555506021 + 1555506022.

It is an arithmetic number, because the mean of its divisors is an integer number (1555506022).

Almost surely, 2^3111012043 is an apocalyptic number.

3111012043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111012043 is an equidigital number, since it uses as much as digits as its factorization.

3111012043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3111012043 is about 55776.4470273968. The cubic root of 3111012043 is about 1459.8242177497.

Adding to 3111012043 its reverse (3402101113), we get a palindrome (6513113156).

The spelling of 3111012043 in words is "three billion, one hundred eleven million, twelve thousand, forty-three".