12320030031 has 8 divisors (see below), whose sum is σ = 16427314560. Its totient is φ = 8213049432.

The previous prime is 12320030011. The next prime is 12320030057. The reversal of 12320030031 is 13003002321.

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

It is not a de Polignac number, because 12320030031 - 2⁷ = 12320029903 is a prime.

It is a super-2 number, since 2×12320030031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320030011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47076 + ... + 163878.

It is an arithmetic number, because the mean of its divisors is an integer number (2053414320).

Almost surely, 2^12320030031 is an apocalyptic number.

12320030031 is a deficient number, since it is larger than the sum of its proper divisors (4107284529).

12320030031 is a wasteful number, since it uses less digits than its factorization.

12320030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151965.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12320030031 its reverse (13003002321), we get a palindrome (25323032352).

The spelling of 12320030031 in words is "twelve billion, three hundred twenty million, thirty thousand, thirty-one".