31410013 has 2 divisors, whose sum is σ = 31410014. Its totient is φ = 31410012.

The previous prime is 31409993. The next prime is 31410017. The reversal of 31410013 is 31001413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27321529 + 4088484 = 5227^2 + 2022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31410013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31409975 and 31410002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31410017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15705006 + 15705007.

It is an arithmetic number, because the mean of its divisors is an integer number (15705007).

Almost surely, 2^31410013 is an apocalyptic number.

It is an amenable number.

31410013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31410013 is an equidigital number, since it uses as much as digits as its factorization.

31410013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 31410013 is about 5604.4636674708. The cubic root of 31410013 is about 315.5169574714.

Adding to 31410013 its reverse (31001413), we get a palindrome (62411426).

The spelling of 31410013 in words is "thirty-one million, four hundred ten thousand, thirteen".