30211044231 has 4 divisors (see below), whose sum is σ = 40281392312. Its totient is φ = 20140696152.

The previous prime is 30211044229. The next prime is 30211044251. The reversal of 30211044231 is 13244011203.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30211044231 - 2¹ = 30211044229 is a prime.

It is a super-2 number, since 2×30211044231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30211044198 and 30211044207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211044251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5035174036 + ... + 5035174041.

It is an arithmetic number, because the mean of its divisors is an integer number (10070348078).

Almost surely, 2^30211044231 is an apocalyptic number.

30211044231 is a deficient number, since it is larger than the sum of its proper divisors (10070348081).

30211044231 is a wasteful number, since it uses less digits than its factorization.

30211044231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10070348080.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30211044231 its reverse (13244011203), we get a palindrome (43455055434).

The spelling of 30211044231 in words is "thirty billion, two hundred eleven million, forty-four thousand, two hundred thirty-one".