12031110210031 has 4 divisors (see below), whose sum is σ = 13124847501864. Its totient is φ = 10937372918200.

The previous prime is 12031110209983. The next prime is 12031110210079. The reversal of 12031110210031 is 13001201113021.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (12031110209983) and next prime (12031110210079).

It is a cyclic number.

It is not a de Polignac number, because 12031110210031 - 2²³ = 12031101821423 is a prime.

It is a super-2 number, since 2×12031110210031² (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 = 12031110209987 and 12031110210014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031110211031) 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, 546868645900 + ... + 546868645921.

It is an arithmetic number, because the mean of its divisors is an integer number (3281211875466).

Almost surely, 2^{12031110210031} is an apocalyptic number.

12031110210031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12031110210031 is a deficient number, since it is larger than the sum of its proper divisors (1093737291833).

12031110210031 is a wasteful number, since it uses less digits than its factorization.

12031110210031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093737291832.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12031110210031 its reverse (13001201113021), we get a palindrome (25032311323052).

The spelling of 12031110210031 in words is "twelve trillion, thirty-one billion, one hundred ten million, two hundred ten thousand, thirty-one".