12203031 has 4 divisors (see below), whose sum is σ = 16270712. Its totient is φ = 8135352.

The previous prime is 12203021. The next prime is 12203039. The reversal of 12203031 is 13030221.

It is a happy number.

12203031 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12203031 - 2¹⁰ = 12202007 is a prime.

It is a super-2 number, since 2×12203031² = 297827931173922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12202998 and 12203016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203039) 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, 2033836 + ... + 2033841.

It is an arithmetic number, because the mean of its divisors is an integer number (4067678).

Almost surely, 2^12203031 is an apocalyptic number.

12203031 is a deficient number, since it is larger than the sum of its proper divisors (4067681).

12203031 is an equidigital number, since it uses as much as digits as its factorization.

12203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067680.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12203031 is about 3493.2836987568. The cubic root of 12203031 is about 230.2268146903.

Adding to 12203031 its reverse (13030221), we get a palindrome (25233252).

The spelling of 12203031 in words is "twelve million, two hundred three thousand, thirty-one".