12320131031 has 8 divisors (see below), whose sum is σ = 13966140720. Its totient is φ = 10773879552.

The previous prime is 12320131003. The next prime is 12320131063. The reversal of 12320131031 is 13013102321.

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 12320131031 - 2⁶ = 12320130967 is a prime.

It is a super-2 number, since 2×12320131031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320131001) 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, 24939290 + ... + 24939783.

It is an arithmetic number, because the mean of its divisors is an integer number (1745767590).

Almost surely, 2^12320131031 is an apocalyptic number.

12320131031 is a deficient number, since it is larger than the sum of its proper divisors (1646009689).

12320131031 is a wasteful number, since it uses less digits than its factorization.

12320131031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49879105.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12320131031 its reverse (13013102321), we get a palindrome (25333233352).

The spelling of 12320131031 in words is "twelve billion, three hundred twenty million, one hundred thirty-one thousand, thirty-one".