21035301030 has 24 divisors (see below), whose sum is σ = 54691782912. Its totient is φ = 5609413584.

The previous prime is 21035301029. The next prime is 21035301083. The reversal of 21035301030 is 3010353012.

21035301030 is a `hidden beast` number, since 2 + 103 + 530 + 1 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21035300994 and 21035301012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116862694 + ... + 116862873.

It is an arithmetic number, because the mean of its divisors is an integer number (2278824288).

Almost surely, 2^21035301030 is an apocalyptic number.

21035301030 is an abundant number, since it is smaller than the sum of its proper divisors (33656481882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21035301030 is a wasteful number, since it uses less digits than its factorization.

21035301030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233725580 (or 233725577 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 21035301030 its reverse (3010353012), we get a palindrome (24045654042).

The spelling of 21035301030 in words is "twenty-one billion, thirty-five million, three hundred one thousand, thirty".