6231128357 has 2 divisors, whose sum is σ = 6231128358. Its totient is φ = 6231128356.

The previous prime is 6231128339. The next prime is 6231128363. The reversal of 6231128357 is 7538211326.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6222212161 + 8916196 = 78881^2 + 2986^2 .

It is a cyclic number.

It is not a de Polignac number, because 6231128357 - 2¹² = 6231124261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6231128357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6231128317) 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, 3115564178 + 3115564179.

It is an arithmetic number, because the mean of its divisors is an integer number (3115564179).

Almost surely, 2^6231128357 is an apocalyptic number.

It is an amenable number.

6231128357 is a deficient number, since it is larger than the sum of its proper divisors (1).

6231128357 is an equidigital number, since it uses as much as digits as its factorization.

6231128357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 6231128357 is about 78937.4965209817. The cubic root of 6231128357 is about 1840.1599141300.

The spelling of 6231128357 in words is "six billion, two hundred thirty-one million, one hundred twenty-eight thousand, three hundred fifty-seven".