30331203100 has 108 divisors (see below), whose sum is σ = 73051577872. Its totient is φ = 10921996800.

The previous prime is 30331203083. The next prime is 30331203101. The reversal of 30331203100 is 130213303.

It is a super-2 number, since 2×30331203100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331203101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1234132 + ... + 1258468.

Almost surely, 2^30331203100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30331203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36525788936).

30331203100 is an abundant number, since it is smaller than the sum of its proper divisors (42720374772).

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

30331203100 is a wasteful number, since it uses less digits than its factorization.

30331203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24476 (or 24458 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30331203100 its reverse (130213303), we get a palindrome (30461416403).

The spelling of 30331203100 in words is "thirty billion, three hundred thirty-one million, two hundred three thousand, one hundred".