12201230331031 has 4 divisors (see below), whose sum is σ = 13944263235472. Its totient is φ = 10458197426592.

The previous prime is 12201230331023. The next prime is 12201230331041. The reversal of 12201230331031 is 13013303210221.

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

It is a cyclic number.

It is not a de Polignac number, because 12201230331031 - 2³ = 12201230331023 is a prime.

It is a super-2 number, since 2×12201230331031² (a number of 27 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 = 12201230330993 and 12201230331011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201230331041) 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, 871516452210 + ... + 871516452223.

It is an arithmetic number, because the mean of its divisors is an integer number (3486065808868).

Almost surely, 2^{12201230331031} is an apocalyptic number.

12201230331031 is a deficient number, since it is larger than the sum of its proper divisors (1743032904441).

12201230331031 is an equidigital number, since it uses as much as digits as its factorization.

12201230331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743032904440.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12201230331031 its reverse (13013303210221), we get a palindrome (25214533541252).

The spelling of 12201230331031 in words is "twelve trillion, two hundred one billion, two hundred thirty million, three hundred thirty-one thousand, thirty-one".