21001130310 has 16 divisors (see below), whose sum is σ = 50402712816. Its totient is φ = 5600301408.

The previous prime is 21001130291. The next prime is 21001130317. The reversal of 21001130310 is 1303110012.

It is a super-2 number, since 2×21001130310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21001130317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350018809 + ... + 350018868.

It is an arithmetic number, because the mean of its divisors is an integer number (3150169551).

Almost surely, 2^21001130310 is an apocalyptic number.

21001130310 is an abundant number, since it is smaller than the sum of its proper divisors (29401582506).

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

21001130310 is a wasteful number, since it uses less digits than its factorization.

21001130310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700037687.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 21001130310 its reverse (1303110012), we get a palindrome (22304240322).

The spelling of 21001130310 in words is "twenty-one billion, one million, one hundred thirty thousand, three hundred ten".