12331213031 has 8 divisors (see below), whose sum is σ = 12953714400. Its totient is φ = 11715908512.

The previous prime is 12331212991. The next prime is 12331213051. The reversal of 12331213031 is 13031213321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12331213031 - 2¹⁰ = 12331212007 is a prime.

It is a super-2 number, since 2×12331213031² (a number of 21 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 = 12331212994 and 12331213012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331213051) 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 7 ways as a sum of consecutive naturals, for example, 1795700 + ... + 1802553.

It is an arithmetic number, because the mean of its divisors is an integer number (1619214300).

Almost surely, 2^12331213031 is an apocalyptic number.

12331213031 is a deficient number, since it is larger than the sum of its proper divisors (622501369).

12331213031 is a wasteful number, since it uses less digits than its factorization.

12331213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598425.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12331213031 its reverse (13031213321), we get a palindrome (25362426352).

The spelling of 12331213031 in words is "twelve billion, three hundred thirty-one million, two hundred thirteen thousand, thirty-one".