12140631031 has 4 divisors (see below), whose sum is σ = 12468756232. Its totient is φ = 11812505832.

The previous prime is 12140630989. The next prime is 12140631047. The reversal of 12140631031 is 13013604121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12140631031 is a prime.

It is a super-2 number, since 2×12140631031² (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 = 12140630993 and 12140631011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140631431) 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, 164062545 + ... + 164062618.

It is an arithmetic number, because the mean of its divisors is an integer number (3117189058).

Almost surely, 2^12140631031 is an apocalyptic number.

12140631031 is a deficient number, since it is larger than the sum of its proper divisors (328125201).

12140631031 is an equidigital number, since it uses as much as digits as its factorization.

12140631031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328125200.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 12140631031 in words is "twelve billion, one hundred forty million, six hundred thirty-one thousand, thirty-one".