21203230000310 has 32 divisors (see below), whose sum is σ = 38268274379040. Its totient is φ = 8458525087488.

The previous prime is 21203230000297. The next prime is 21203230000321. The reversal of 21203230000310 is 1300003230212.

It is a super-2 number, since 2×21203230000310² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90816884 + ... + 91050056.

It is an arithmetic number, because the mean of its divisors is an integer number (1195883574345).

Almost surely, 2^{21203230000310} is an apocalyptic number.

21203230000310 is a deficient number, since it is larger than the sum of its proper divisors (17065044378730).

21203230000310 is a wasteful number, since it uses less digits than its factorization.

21203230000310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257552.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21203230000310 its reverse (1300003230212), we get a palindrome (22503233230522).

The spelling of 21203230000310 in words is "twenty-one trillion, two hundred three billion, two hundred thirty million, three hundred ten", and thus it is an aban number.