12203031131 has 8 divisors (see below), whose sum is σ = 12391485504. Its totient is φ = 12014762760.

The previous prime is 12203031097. The next prime is 12203031221. The reversal of 12203031131 is 13113030221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12203031131 is a prime.

It is a super-2 number, since 2×12203031131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203031031) 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, 88736 + ... + 179666.

It is an arithmetic number, because the mean of its divisors is an integer number (1548935688).

Almost surely, 2^12203031131 is an apocalyptic number.

12203031131 is a deficient number, since it is larger than the sum of its proper divisors (188454373).

12203031131 is an equidigital number, since it uses as much as digits as its factorization.

12203031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93001.

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

Adding to 12203031131 its reverse (13113030221), we get a palindrome (25316061352).

The spelling of 12203031131 in words is "twelve billion, two hundred three million, thirty-one thousand, one hundred thirty-one".