3111140531 has 2 divisors, whose sum is σ = 3111140532. Its totient is φ = 3111140530.

The previous prime is 3111140519. The next prime is 3111140537. The reversal of 3111140531 is 1350411113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111140531 is a prime.

It is a super-2 number, since 2×3111140531² = 19358390807261923922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3111140537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555570265 + 1555570266.

It is an arithmetic number, because the mean of its divisors is an integer number (1555570266).

Almost surely, 2^3111140531 is an apocalyptic number.

3111140531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111140531 is an equidigital number, since it uses as much as digits as its factorization.

3111140531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 3111140531 is about 55777.5988278449. The cubic root of 3111140531 is about 1459.8443148874.

Adding to 3111140531 its reverse (1350411113), we get a palindrome (4461551644).

The spelling of 3111140531 in words is "three billion, one hundred eleven million, one hundred forty thousand, five hundred thirty-one".