30112231102 has 16 divisors (see below), whose sum is σ = 45637635600. Its totient is φ = 14899830400.

The previous prime is 30112231067. The next prime is 30112231103. The reversal of 30112231102 is 20113221103.

It is a super-2 number, since 2×30112231102² (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 (30112231103) 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, 395049 + ... + 465067.

It is an arithmetic number, because the mean of its divisors is an integer number (2852352225).

Almost surely, 2^30112231102 is an apocalyptic number.

30112231102 is a deficient number, since it is larger than the sum of its proper divisors (15525404498).

30112231102 is a wasteful number, since it uses less digits than its factorization.

30112231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72251.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30112231102 its reverse (20113221103), we get a palindrome (50225452205).

Subtracting from 30112231102 its reverse (20113221103), we obtain a palindrome (9999009999).

The spelling of 30112231102 in words is "thirty billion, one hundred twelve million, two hundred thirty-one thousand, one hundred two".