612348031 has 2 divisors, whose sum is σ = 612348032. Its totient is φ = 612348030.

The previous prime is 612348013. The next prime is 612348043. The reversal of 612348031 is 130843216.

Together with previous prime (612348013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612348031 - 2¹³ = 612339839 is a prime.

It is a super-2 number, since 2×612348031² = 749940222139153922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612648031) 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, 306174015 + 306174016.

It is an arithmetic number, because the mean of its divisors is an integer number (306174016).

Almost surely, 2^612348031 is an apocalyptic number.

612348031 is a deficient number, since it is larger than the sum of its proper divisors (1).

612348031 is an equidigital number, since it uses as much as digits as its factorization.

612348031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 612348031 is about 24745.6669136235. Note that the first 3 decimals coincide. The cubic root of 612348031 is about 849.1793837853.

The spelling of 612348031 in words is "six hundred twelve million, three hundred forty-eight thousand, thirty-one".