10340155381 has 2 divisors, whose sum is σ = 10340155382. Its totient is φ = 10340155380.

The previous prime is 10340155339. The next prime is 10340155403. The reversal of 10340155381 is 18355104301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9921952881 + 418202500 = 99609^2 + 20450^2 .

It is a cyclic number.

It is not a de Polignac number, because 10340155381 - 2⁷ = 10340155253 is a prime.

It is a super-2 number, since 2×10340155381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10340155321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5170077690 + 5170077691.

It is an arithmetic number, because the mean of its divisors is an integer number (5170077691).

Almost surely, 2^10340155381 is an apocalyptic number.

It is an amenable number.

10340155381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10340155381 is an equidigital number, since it uses as much as digits as its factorization.

10340155381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 10340155381 its reverse (18355104301), we get a palindrome (28695259682).

The spelling of 10340155381 in words is "ten billion, three hundred forty million, one hundred fifty-five thousand, three hundred eighty-one".