12303310031 has 4 divisors (see below), whose sum is σ = 12486941592. Its totient is φ = 12119678472.

The previous prime is 12303310021. The next prime is 12303310037. The reversal of 12303310031 is 13001330321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13001330321 = 7 ⋅1857332903.

It is a cyclic number.

It is not a de Polignac number, because 12303310031 - 2²² = 12299115727 is a prime.

It is a super-2 number, since 2×12303310031² (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 = 12303309991 and 12303310009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303310037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91815680 + ... + 91815813.

It is an arithmetic number, because the mean of its divisors is an integer number (3121735398).

Almost surely, 2^12303310031 is an apocalyptic number.

12303310031 is a deficient number, since it is larger than the sum of its proper divisors (183631561).

12303310031 is an equidigital number, since it uses as much as digits as its factorization.

12303310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183631560.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 12303310031 its reverse (13001330321), we get a palindrome (25304640352).

The spelling of 12303310031 in words is "twelve billion, three hundred three million, three hundred ten thousand, thirty-one".