12143113031 has 16 divisors (see below), whose sum is σ = 14283394560. Its totient is φ = 10108596960.

The previous prime is 12143113027. The next prime is 12143113057. The reversal of 12143113031 is 13031134121.

It is not a de Polignac number, because 12143113031 - 2² = 12143113027 is a prime.

It is a super-2 number, since 2×12143113031² (a number of 21 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 = 12143112994 and 12143113012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143112031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149036 + ... + 215633.

It is an arithmetic number, because the mean of its divisors is an integer number (892712160).

Almost surely, 2^12143113031 is an apocalyptic number.

12143113031 is a deficient number, since it is larger than the sum of its proper divisors (2140281529).

12143113031 is an equidigital number, since it uses as much as digits as its factorization.

12143113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364814.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12143113031 its reverse (13031134121), we get a palindrome (25174247152).

The spelling of 12143113031 in words is "twelve billion, one hundred forty-three million, one hundred thirteen thousand, thirty-one".