31614061 has 2 divisors, whose sum is σ = 31614062. Its totient is φ = 31614060.

The previous prime is 31614019. The next prime is 31614071. The reversal of 31614061 is 16041613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21252100 + 10361961 = 4610^2 + 3219^2 .

It is a cyclic number.

It is not a de Polignac number, because 31614061 - 2¹¹ = 31612013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31614001) 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, 15807030 + 15807031.

It is an arithmetic number, because the mean of its divisors is an integer number (15807031).

Almost surely, 2^31614061 is an apocalyptic number.

It is an amenable number.

31614061 is a deficient number, since it is larger than the sum of its proper divisors (1).

31614061 is an equidigital number, since it uses as much as digits as its factorization.

31614061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 31614061 is about 5622.6382597496. The cubic root of 31614061 is about 316.1987113418.

Adding to 31614061 its reverse (16041613), we get a palindrome (47655674).

The spelling of 31614061 in words is "thirty-one million, six hundred fourteen thousand, sixty-one".