31034219 has 2 divisors, whose sum is σ = 31034220. Its totient is φ = 31034218.

The previous prime is 31034191. The next prime is 31034221. The reversal of 31034219 is 91243013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31034219 - 2¹² = 31030123 is a prime.

It is a super-2 number, since 2×31034219² = 1926245497879922, which contains 22 as substring.

Together with 31034221, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 31034194 and 31034203.

It is not a weakly prime, because it can be changed into another prime (31034279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15517109 + 15517110.

It is an arithmetic number, because the mean of its divisors is an integer number (15517110).

Almost surely, 2^31034219 is an apocalyptic number.

31034219 is a deficient number, since it is larger than the sum of its proper divisors (1).

31034219 is an equidigital number, since it uses as much as digits as its factorization.

31034219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 31034219 is about 5570.8364722006. The cubic root of 31034219 is about 314.2536086547.

The spelling of 31034219 in words is "thirty-one million, thirty-four thousand, two hundred nineteen".