481403831 has 2 divisors, whose sum is σ = 481403832. Its totient is φ = 481403830.

The previous prime is 481403803. The next prime is 481403851. The reversal of 481403831 is 138304184.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481403831 is a prime.

It is a super-2 number, since 2×481403831² = 463499297002953122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481403851) 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, 240701915 + 240701916.

It is an arithmetic number, because the mean of its divisors is an integer number (240701916).

Almost surely, 2^481403831 is an apocalyptic number.

481403831 is a deficient number, since it is larger than the sum of its proper divisors (1).

481403831 is an equidigital number, since it uses as much as digits as its factorization.

481403831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 481403831 is about 21940.9168222296. The cubic root of 481403831 is about 783.7360926048.

The spelling of 481403831 in words is "four hundred eighty-one million, four hundred three thousand, eight hundred thirty-one".