21310132030 has 16 divisors (see below), whose sum is σ = 41845350384. Its totient is φ = 7749138880.

The previous prime is 21310132013. The next prime is 21310132037. The reversal of 21310132030 is 3023101312.

It is a junction number, because it is equal to n+sod(n) for n = 21310131995 and 21310132013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310132037) 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, 96864127 + ... + 96864346.

It is an arithmetic number, because the mean of its divisors is an integer number (2615334399).

Almost surely, 2^21310132030 is an apocalyptic number.

21310132030 is a deficient number, since it is larger than the sum of its proper divisors (20535218354).

21310132030 is a wasteful number, since it uses less digits than its factorization.

21310132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193728491.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21310132030 its reverse (3023101312), we get a palindrome (24333233342).

The spelling of 21310132030 in words is "twenty-one billion, three hundred ten million, one hundred thirty-two thousand, thirty".