481831313 has 2 divisors, whose sum is σ = 481831314. Its totient is φ = 481831312.

The previous prime is 481831249. The next prime is 481831327. The reversal of 481831313 is 313138184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251793424 + 230037889 = 15868^2 + 15167^2 .

It is a cyclic number.

It is not a de Polignac number, because 481831313 - 2⁶ = 481831249 is a prime.

It is a super-2 number, since 2×481831313² = 464322828374607938, 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 481831313.

It is not a weakly prime, because it can be changed into another prime (481831373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240915656 + 240915657.

It is an arithmetic number, because the mean of its divisors is an integer number (240915657).

Almost surely, 2^481831313 is an apocalyptic number.

It is an amenable number.

481831313 is a deficient number, since it is larger than the sum of its proper divisors (1).

481831313 is an equidigital number, since it uses as much as digits as its factorization.

481831313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 481831313 is about 21950.6563227617. The cubic root of 481831313 is about 783.9680073584.

Adding to 481831313 its reverse (313138184), we get a palindrome (794969497).

The spelling of 481831313 in words is "four hundred eighty-one million, eight hundred thirty-one thousand, three hundred thirteen".