10340331621 has 32 divisors (see below), whose sum is σ = 14077742976. Its totient is φ = 6750240000.

The previous prime is 10340331581. The next prime is 10340331623. The reversal of 10340331621 is 12613304301.

It is a happy number.

It is not a de Polignac number, because 10340331621 - 2⁶ = 10340331557 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10340331591 and 10340331600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10340331623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12594391 + ... + 12595211.

It is an arithmetic number, because the mean of its divisors is an integer number (439929468).

Almost surely, 2^10340331621 is an apocalyptic number.

It is an amenable number.

10340331621 is a deficient number, since it is larger than the sum of its proper divisors (3737411355).

10340331621 is a wasteful number, since it uses less digits than its factorization.

10340331621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 10340331621 its reverse (12613304301), we get a palindrome (22953635922).

The spelling of 10340331621 in words is "ten billion, three hundred forty million, three hundred thirty-one thousand, six hundred twenty-one".