31613341 has 2 divisors, whose sum is σ = 31613342. Its totient is φ = 31613340.

The previous prime is 31613333. The next prime is 31613357. The reversal of 31613341 is 14331613.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16168441 + 15444900 = 4021^2 + 3930^2 .

It is a cyclic number.

It is not a de Polignac number, because 31613341 - 2³ = 31613333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31613441) 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, 15806670 + 15806671.

It is an arithmetic number, because the mean of its divisors is an integer number (15806671).

Almost surely, 2^31613341 is an apocalyptic number.

It is an amenable number.

31613341 is a deficient number, since it is larger than the sum of its proper divisors (1).

31613341 is an equidigital number, since it uses as much as digits as its factorization.

31613341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 31613341 is about 5622.5742325024. The cubic root of 31613341 is about 316.1963108825.

Adding to 31613341 its reverse (14331613), we get a palindrome (45944954).

The spelling of 31613341 in words is "thirty-one million, six hundred thirteen thousand, three hundred forty-one".