31482839 has 2 divisors, whose sum is σ = 31482840. Its totient is φ = 31482838.

The previous prime is 31482833. The next prime is 31482859. The reversal of 31482839 is 93828413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31482839 - 2⁴ = 31482823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31482833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15741419 + 15741420.

It is an arithmetic number, because the mean of its divisors is an integer number (15741420).

Almost surely, 2^31482839 is an apocalyptic number.

31482839 is a deficient number, since it is larger than the sum of its proper divisors (1).

31482839 is an equidigital number, since it uses as much as digits as its factorization.

31482839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 31482839 is about 5610.9570484900. The cubic root of 31482839 is about 315.7606175879.

The spelling of 31482839 in words is "thirty-one million, four hundred eighty-two thousand, eight hundred thirty-nine".