31634461 has 2 divisors, whose sum is σ = 31634462. Its totient is φ = 31634460.

The previous prime is 31634423. The next prime is 31634483. The reversal of 31634461 is 16443613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20115225 + 11519236 = 4485^2 + 3394^2 .

It is a cyclic number.

It is not a de Polignac number, because 31634461 - 2⁷ = 31634333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31634761) 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, 15817230 + 15817231.

It is an arithmetic number, because the mean of its divisors is an integer number (15817231).

Almost surely, 2^31634461 is an apocalyptic number.

It is an amenable number.

31634461 is a deficient number, since it is larger than the sum of its proper divisors (1).

31634461 is an equidigital number, since it uses as much as digits as its factorization.

31634461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 31634461 is about 5624.4520622013. The cubic root of 31634461 is about 316.2667092152.

The spelling of 31634461 in words is "thirty-one million, six hundred thirty-four thousand, four hundred sixty-one".