30211122231 has 32 divisors (see below), whose sum is σ = 45203558400. Its totient is φ = 19940191200.

The previous prime is 30211122211. The next prime is 30211122283. The reversal of 30211122231 is 13222111203.

30211122231 is a `hidden beast` number, since 302 + 11 + 122 + 231 = 666.

It is not a de Polignac number, because 30211122231 - 2¹⁸ = 30210860087 is a prime.

It is a super-2 number, since 2×30211122231² (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 (30211122211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4608406 + ... + 4614956.

It is an arithmetic number, because the mean of its divisors is an integer number (1412611200).

Almost surely, 2^30211122231 is an apocalyptic number.

30211122231 is a deficient number, since it is larger than the sum of its proper divisors (14992436169).

30211122231 is a wasteful number, since it uses less digits than its factorization.

30211122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236 (or 8230 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30211122231 its reverse (13222111203), we get a palindrome (43433233434).

The spelling of 30211122231 in words is "thirty billion, two hundred eleven million, one hundred twenty-two thousand, two hundred thirty-one".