461511331 has 2 divisors, whose sum is σ = 461511332. Its totient is φ = 461511330.

The previous prime is 461511277. The next prime is 461511361. The reversal of 461511331 is 133115164.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461511331 is a prime.

It is a super-2 number, since 2×461511331² = 425985417282783122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461511296 and 461511305.

It is not a weakly prime, because it can be changed into another prime (461511361) 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, 230755665 + 230755666.

It is an arithmetic number, because the mean of its divisors is an integer number (230755666).

Almost surely, 2^461511331 is an apocalyptic number.

461511331 is a deficient number, since it is larger than the sum of its proper divisors (1).

461511331 is an equidigital number, since it uses as much as digits as its factorization.

461511331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 461511331 is about 21482.8147829841. The cubic root of 461511331 is about 772.7887469436.

Adding to 461511331 its reverse (133115164), we get a palindrome (594626495).

The spelling of 461511331 in words is "four hundred sixty-one million, five hundred eleven thousand, three hundred thirty-one".