30111202231 has 12 divisors (see below), whose sum is σ = 33867150856. Its totient is φ = 26737215120.

The previous prime is 30111202217. The next prime is 30111202237. The reversal of 30111202231 is 13220211103.

It is not a de Polignac number, because 30111202231 - 2⁹ = 30111201719 is a prime.

It is a super-2 number, since 2×30111202231² (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 (30111202237) 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 11 ways as a sum of consecutive naturals, for example, 2888436 + ... + 2898841.

Almost surely, 2^30111202231 is an apocalyptic number.

30111202231 is a deficient number, since it is larger than the sum of its proper divisors (3755948625).

30111202231 is a wasteful number, since it uses less digits than its factorization.

30111202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787342 (or 5787331 counting only the distinct ones).

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

Adding to 30111202231 its reverse (13220211103), we get a palindrome (43331413334).

The spelling of 30111202231 in words is "thirty billion, one hundred eleven million, two hundred two thousand, two hundred thirty-one".