30000021732310 has 128 divisors (see below), whose sum is σ = 65992235065344. Its totient is φ = 9596315097600.

The previous prime is 30000021732299. The next prime is 30000021732353. The reversal of 30000021732310 is 1323712000003.

It is a happy number.

It is a super-2 number, since 2×30000021732310² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21494760 + ... + 22847860.

It is an arithmetic number, because the mean of its divisors is an integer number (515564336448).

Almost surely, 2^{30000021732310} is an apocalyptic number.

30000021732310 is an abundant number, since it is smaller than the sum of its proper divisors (35992213333034).

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

30000021732310 is a wasteful number, since it uses less digits than its factorization.

30000021732310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353478.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 30000021732310 its reverse (1323712000003), we get a palindrome (31323733732313).

The spelling of 30000021732310 in words is "thirty trillion, twenty-one million, seven hundred thirty-two thousand, three hundred ten".