3111052493 has 4 divisors (see below), whose sum is σ = 3111178620. Its totient is φ = 3110926368.

The previous prime is 3111052481. The next prime is 3111052543. The reversal of 3111052493 is 3942501113.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3942501113 = 941 ⋅4189693.

It can be written as a sum of positive squares in 2 ways, for example, as 1102040809 + 2009011684 = 33197^2 + 44822^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111052493 - 2⁶ = 3111052429 is a prime.

It is a super-2 number, since 2×3111052493² = 19357295228403030098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111052433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12608 + ... + 79881.

It is an arithmetic number, because the mean of its divisors is an integer number (777794655).

Almost surely, 2^3111052493 is an apocalyptic number.

It is an amenable number.

3111052493 is a deficient number, since it is larger than the sum of its proper divisors (126127).

3111052493 is an equidigital number, since it uses as much as digits as its factorization.

3111052493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126126.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 3111052493 is about 55776.8096344708. The cubic root of 3111052493 is about 1459.8305446977.

The spelling of 3111052493 in words is "three billion, one hundred eleven million, fifty-two thousand, four hundred ninety-three".