21030132313213 has 8 divisors (see below), whose sum is σ = 21601171696608. Its totient is φ = 20466656365584.

The previous prime is 21030132313189. The next prime is 21030132313259. The reversal of 21030132313213 is 31231323103012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21030132313213 - 2⁵ = 21030132313181 is a prime.

It is a super-2 number, since 2×21030132313213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030132313273) 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, 1890853306 + ... + 1890864427.

It is an arithmetic number, because the mean of its divisors is an integer number (2700146462076).

Almost surely, 2^{21030132313213} is an apocalyptic number.

It is an amenable number.

21030132313213 is a deficient number, since it is larger than the sum of its proper divisors (571039383395).

21030132313213 is an equidigital number, since it uses as much as digits as its factorization.

21030132313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781717883.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21030132313213 its reverse (31231323103012), we get a palindrome (52261455416225).

The spelling of 21030132313213 in words is "twenty-one trillion, thirty billion, one hundred thirty-two million, three hundred thirteen thousand, two hundred thirteen".