10319381 has 2 divisors, whose sum is σ = 10319382. Its totient is φ = 10319380.

The previous prime is 10319371. The next prime is 10319383. The reversal of 10319381 is 18391301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10182481 + 136900 = 3191^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 10319381 - 2⁶ = 10319317 is a prime.

It is a super-2 number, since 2×10319381² = 212979248446322, which contains 22 as substring.

Together with 10319383, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10319381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10319383) 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, 5159690 + 5159691.

It is an arithmetic number, because the mean of its divisors is an integer number (5159691).

Almost surely, 2^10319381 is an apocalyptic number.

It is an amenable number.

10319381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10319381 is an equidigital number, since it uses as much as digits as its factorization.

10319381 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 26.

The square root of 10319381 is about 3212.3793362553. The cubic root of 10319381 is about 217.7130936611.

The spelling of 10319381 in words is "ten million, three hundred nineteen thousand, three hundred eighty-one".