30311122100 has 36 divisors (see below), whose sum is σ = 75171584544. Its totient is φ = 10392384480.

The previous prime is 30311122099. The next prime is 30311122133. The reversal of 30311122100 is 122111303.

It is a super-2 number, since 2×30311122100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 21650102 + ... + 21651501.

Almost surely, 2^30311122100 is an apocalyptic number.

It is an amenable number.

30311122100 is an abundant number, since it is smaller than the sum of its proper divisors (44860462444).

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

30311122100 is a wasteful number, since it uses less digits than its factorization.

30311122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43301624 (or 43301617 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30311122100 its reverse (122111303), we get a palindrome (30433233403).

The spelling of 30311122100 in words is "thirty billion, three hundred eleven million, one hundred twenty-two thousand, one hundred".