3126505231 has 2 divisors, whose sum is σ = 3126505232. Its totient is φ = 3126505230.

The previous prime is 3126505223. The next prime is 3126505303. The reversal of 3126505231 is 1325056213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3126505231 - 2³ = 3126505223 is a prime.

It is a super-2 number, since 2×3126505231² = 19550069918940726722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3126505231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3126505201) 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 as a sum of consecutive naturals, namely, 1563252615 + 1563252616.

It is an arithmetic number, because the mean of its divisors is an integer number (1563252616).

Almost surely, 2^3126505231 is an apocalyptic number.

3126505231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3126505231 is an equidigital number, since it uses as much as digits as its factorization.

3126505231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3126505231 is about 55915.1610120189. The cubic root of 3126505231 is about 1462.2435686086.

The spelling of 3126505231 in words is "three billion, one hundred twenty-six million, five hundred five thousand, two hundred thirty-one".