10340304331387 has 2 divisors, whose sum is σ = 10340304331388. Its totient is φ = 10340304331386.

The previous prime is 10340304331381. The next prime is 10340304331411. The reversal of 10340304331387 is 78313340304301.

It is a happy number.

10340304331387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10340304331387 is a prime.

It is a super-2 number, since 2×10340304331387² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10340304331381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5170152165693 + 5170152165694.

It is an arithmetic number, because the mean of its divisors is an integer number (5170152165694).

Almost surely, 2^{10340304331387} is an apocalyptic number.

10340304331387 is a deficient number, since it is larger than the sum of its proper divisors (1).

10340304331387 is an equidigital number, since it uses as much as digits as its factorization.

10340304331387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 40.

Adding to 10340304331387 its reverse (78313340304301), we get a palindrome (88653644635688).

The spelling of 10340304331387 in words is "ten trillion, three hundred forty billion, three hundred four million, three hundred thirty-one thousand, three hundred eighty-seven".