21313021201030 has 16 divisors (see below), whose sum is σ = 41314471866864. Its totient is φ = 7869423212640.

The previous prime is 21313021201027. The next prime is 21313021201033. The reversal of 21313021201030 is 3010212031312.

It is an interprime number because it is at equal distance from previous prime (21313021201027) and next prime (21313021201033).

It is a junction number, because it is equal to n+sod(n) for n = 21313021200989 and 21313021201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313021201033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81973158336 + ... + 81973158595.

It is an arithmetic number, because the mean of its divisors is an integer number (2582154491679).

Almost surely, 2^{21313021201030} is an apocalyptic number.

21313021201030 is a deficient number, since it is larger than the sum of its proper divisors (20001450665834).

21313021201030 is a wasteful number, since it uses less digits than its factorization.

21313021201030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163946316951.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21313021201030 its reverse (3010212031312), we get a palindrome (24323233232342).

The spelling of 21313021201030 in words is "twenty-one trillion, three hundred thirteen billion, twenty-one million, two hundred one thousand, thirty".