12301232031 has 24 divisors (see below), whose sum is σ = 19430087040. Its totient is φ = 7437474000.

The previous prime is 12301232029. The next prime is 12301232057. The reversal of 12301232031 is 13023210321.

12301232031 is a `hidden beast` number, since 12 + 301 + 2 + 320 + 31 = 666.

It is not a de Polignac number, because 12301232031 - 2¹ = 12301232029 is a prime.

It is a super-2 number, since 2×12301232031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12301231995 and 12301232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301232431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106795 + ... + 189756.

It is an arithmetic number, because the mean of its divisors is an integer number (809586960).

Almost surely, 2^12301232031 is an apocalyptic number.

12301232031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12301232031 is a deficient number, since it is larger than the sum of its proper divisors (7128855009).

12301232031 is a wasteful number, since it uses less digits than its factorization.

12301232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296987 (or 296984 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12301232031 its reverse (13023210321), we get a palindrome (25324442352).

The spelling of 12301232031 in words is "twelve billion, three hundred one million, two hundred thirty-two thousand, thirty-one".