3111230131 has 2 divisors, whose sum is σ = 3111230132. Its totient is φ = 3111230130.

The previous prime is 3111230093. The next prime is 3111230147. The reversal of 3111230131 is 1310321113.

It is an a-pointer prime, because the next prime (3111230147) can be obtained adding 3111230131 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3111230131 - 2¹⁵ = 3111197363 is a prime.

It is a super-2 number, since 2×3111230131² = 19359505856084554322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3111230431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555615065 + 1555615066.

It is an arithmetic number, because the mean of its divisors is an integer number (1555615066).

Almost surely, 2^3111230131 is an apocalyptic number.

3111230131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111230131 is an equidigital number, since it uses as much as digits as its factorization.

3111230131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3111230131 is about 55778.4020118899. The cubic root of 3111230131 is about 1459.8583291258.

Adding to 3111230131 its reverse (1310321113), we get a palindrome (4421551244).

The spelling of 3111230131 in words is "three billion, one hundred eleven million, two hundred thirty thousand, one hundred thirty-one".