30112211231 has 8 divisors (see below), whose sum is σ = 31930211664. Its totient is φ = 28299399040.

The previous prime is 30112211203. The next prime is 30112211291. The reversal of 30112211231 is 13211221103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30112211231 - 2²² = 30108016927 is a prime.

It is a super-2 number, since 2×30112211231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112211291) 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, 1285100 + ... + 1308321.

It is an arithmetic number, because the mean of its divisors is an integer number (3991276458).

Almost surely, 2^30112211231 is an apocalyptic number.

30112211231 is a deficient number, since it is larger than the sum of its proper divisors (1818000433).

30112211231 is a wasteful number, since it uses less digits than its factorization.

30112211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594121.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30112211231 its reverse (13211221103), we get a palindrome (43323432334).

The spelling of 30112211231 in words is "thirty billion, one hundred twelve million, two hundred eleven thousand, two hundred thirty-one".