12302331031331 has 16 divisors (see below), whose sum is σ = 13426813501920. Its totient is φ = 11178864353280.

The previous prime is 12302331031327. The next prime is 12302331031357. The reversal of 12302331031331 is 13313013320321.

It is a cyclic number.

It is not a de Polignac number, because 12302331031331 - 2² = 12302331031327 is a prime.

It is a super-2 number, since 2×12302331031331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12302331031331.

It is not an unprimeable number, because it can be changed into a prime (12302331031231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329475695 + ... + 329513031.

It is an arithmetic number, because the mean of its divisors is an integer number (839175843870).

Almost surely, 2^{12302331031331} is an apocalyptic number.

12302331031331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12302331031331 is a deficient number, since it is larger than the sum of its proper divisors (1124482470589).

12302331031331 is a wasteful number, since it uses less digits than its factorization.

12302331031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50134.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 12302331031331 its reverse (13313013320321), we get a palindrome (25615344351652).

The spelling of 12302331031331 in words is "twelve trillion, three hundred two billion, three hundred thirty-one million, thirty-one thousand, three hundred thirty-one".