21030033122313 has 8 divisors (see below), whose sum is σ = 28040077181568. Its totient is φ = 14020005572304.

The previous prime is 21030033122309. The next prime is 21030033122321. The reversal of 21030033122313 is 31322133003012.

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

It is not a de Polignac number, because 21030033122313 - 2² = 21030033122309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21030033522313) 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, 763345 + ... + 6530142.

It is an arithmetic number, because the mean of its divisors is an integer number (3505009647696).

Almost surely, 2^{21030033122313} is an apocalyptic number.

It is an amenable number.

21030033122313 is a deficient number, since it is larger than the sum of its proper divisors (7010044059255).

21030033122313 is an equidigital number, since it uses as much as digits as its factorization.

21030033122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8254623.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21030033122313 its reverse (31322133003012), we get a palindrome (52352166125325).

The spelling of 21030033122313 in words is "twenty-one trillion, thirty billion, thirty-three million, one hundred twenty-two thousand, three hundred thirteen".