12230312031 has 48 divisors (see below), whose sum is σ = 21321570816. Its totient is φ = 6604285248.

The previous prime is 12230312011. The next prime is 12230312041. The reversal of 12230312031 is 13021303221.

It is not a de Polignac number, because 12230312031 - 2⁷ = 12230311903 is a prime.

It is a super-2 number, since 2×12230312031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12230311995 and 12230312013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230312011) 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, 69421 + ... + 171113.

It is an arithmetic number, because the mean of its divisors is an integer number (444199392).

Almost surely, 2^12230312031 is an apocalyptic number.

12230312031 is a deficient number, since it is larger than the sum of its proper divisors (9091258785).

12230312031 is a wasteful number, since it uses less digits than its factorization.

12230312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101812 (or 101809 counting only the distinct ones).

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

Adding to 12230312031 its reverse (13021303221), we get a palindrome (25251615252).

The spelling of 12230312031 in words is "twelve billion, two hundred thirty million, three hundred twelve thousand, thirty-one".