21340103031310 has 64 divisors (see below), whose sum is σ = 44049467164032. Its totient is φ = 7291664303616.

The previous prime is 21340103031199. The next prime is 21340103031323. The reversal of 21340103031310 is 1313030104312.

It is a super-2 number, since 2×21340103031310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 35551392 + ... + 36146668.

It is an arithmetic number, because the mean of its divisors is an integer number (688272924438).

Almost surely, 2^{21340103031310} is an apocalyptic number.

21340103031310 is an abundant number, since it is smaller than the sum of its proper divisors (22709364132722).

21340103031310 is a wasteful number, since it uses less digits than its factorization.

21340103031310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597037.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21340103031310 its reverse (1313030104312), we get a palindrome (22653133135622).

The spelling of 21340103031310 in words is "twenty-one trillion, three hundred forty billion, one hundred three million, thirty-one thousand, three hundred ten".