30001323231 has 48 divisors (see below), whose sum is σ = 49222162080. Its totient is φ = 17448192000.

The previous prime is 30001323217. The next prime is 30001323239. The reversal of 30001323231 is 13232310003.

30001323231 is a `hidden beast` number, since 300 + 0 + 132 + 3 + 231 = 666.

It is not a de Polignac number, because 30001323231 - 2⁶ = 30001323167 is a prime.

It is a super-2 number, since 2×30001323231² (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 (30001323239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187015 + ... + 308183.

It is an arithmetic number, because the mean of its divisors is an integer number (1025461710).

Almost surely, 2^30001323231 is an apocalyptic number.

30001323231 is a deficient number, since it is larger than the sum of its proper divisors (19220838849).

30001323231 is a wasteful number, since it uses less digits than its factorization.

30001323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121288 (or 121285 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30001323231 its reverse (13232310003), we get a palindrome (43233633234).

It can be divided in two parts, 3000 and 1323231, that added together give a palindrome (1326231).

The spelling of 30001323231 in words is "thirty billion, one million, three hundred twenty-three thousand, two hundred thirty-one".