1530740831 has 2 divisors, whose sum is σ = 1530740832. Its totient is φ = 1530740830.

The previous prime is 1530740807. The next prime is 1530740839. The reversal of 1530740831 is 1380470351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1530740831 - 2¹⁸ = 1530478687 is a prime.

It is a super-2 number, since 2×1530740831² = 4686334983381141122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530740839) 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, 765370415 + 765370416.

It is an arithmetic number, because the mean of its divisors is an integer number (765370416).

Almost surely, 2^1530740831 is an apocalyptic number.

1530740831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530740831 is an equidigital number, since it uses as much as digits as its factorization.

1530740831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1530740831 is about 39124.6831424869. The cubic root of 1530740831 is about 1152.4813042266.

The spelling of 1530740831 in words is "one billion, five hundred thirty million, seven hundred forty thousand, eight hundred thirty-one".