10321334381 has 2 divisors, whose sum is σ = 10321334382.
Its totient is φ = 10321334380.
The previous prime is 10321334377. The next prime is 10321334393. The reversal of 10321334381 is 18343312301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10232334025 + 89000356 = 101155^2 + 9434^2
It is a cyclic number.
It is not a de Polignac number, because 10321334381 - 22 = 10321334377 is a prime.
It is a super-2 number, since 2×103213343812 (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 (10321334311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160667190 + 5160667191.
It is an arithmetic number, because the mean of its divisors is an integer number (5160667191).
Almost surely, 210321334381 is an apocalyptic number.
It is an amenable number.
10321334381 is a deficient number, since it is larger than the sum of its proper divisors (1).
10321334381 is an equidigital number, since it uses as much as digits as its factorization.
10321334381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 29.
Adding to 10321334381 its reverse (18343312301), we get a palindrome (28664646682).
The spelling of 10321334381 in words is "ten billion, three hundred twenty-one million, three hundred thirty-four thousand, three hundred eighty-one".