2031312427 has 2 divisors, whose sum is σ = 2031312428. Its totient is φ = 2031312426.

The previous prime is 2031312421. The next prime is 2031312431. The reversal of 2031312427 is 7242131302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031312427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031312421) 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, 1015656213 + 1015656214.

It is an arithmetic number, because the mean of its divisors is an integer number (1015656214).

Almost surely, 2^2031312427 is an apocalyptic number.

2031312427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031312427 is an equidigital number, since it uses as much as digits as its factorization.

2031312427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2031312427 is about 45070.0835033617. The cubic root of 2031312427 is about 1266.4622286940.

Adding to 2031312427 its reverse (7242131302), we get a palindrome (9273443729).

The spelling of 2031312427 in words is "two billion, thirty-one million, three hundred twelve thousand, four hundred twenty-seven".