30705233100 has 72 divisors (see below), whose sum is σ = 93516306240. Its totient is φ = 7757110080.

The previous prime is 30705233099. The next prime is 30705233161. The reversal of 30705233100 is 133250703.

It is a super-2 number, since 2×30705233100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2687742 + ... + 2699141.

Almost surely, 2^30705233100 is an apocalyptic number.

30705233100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30705233100 is an abundant number, since it is smaller than the sum of its proper divisors (62811073140).

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

30705233100 is a wasteful number, since it uses less digits than its factorization.

30705233100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386919 (or 5386912 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

Adding to 30705233100 its reverse (133250703), we get a palindrome (30838483803).

The spelling of 30705233100 in words is "thirty billion, seven hundred five million, two hundred thirty-three thousand, one hundred".