4131231004031 has 4 divisors (see below), whose sum is σ = 4131598007472. Its totient is φ = 4130864000592.

The previous prime is 4131231003989. The next prime is 4131231004039. The reversal of 4131231004031 is 1304001321314.

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 4131231004031 - 2³⁰ = 4130157262207 is a prime.

It is a super-2 number, since 2×4131231004031² (a number of 26 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 = 4131231003988 and 4131231004006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131231004039) 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, 183484835 + ... + 183507348.

It is an arithmetic number, because the mean of its divisors is an integer number (1032899501868).

Almost surely, 2^{4131231004031} is an apocalyptic number.

4131231004031 is a deficient number, since it is larger than the sum of its proper divisors (367003441).

4131231004031 is a wasteful number, since it uses less digits than its factorization.

4131231004031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367003440.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 4131231004031 its reverse (1304001321314), we get a palindrome (5435232325345).

The spelling of 4131231004031 in words is "four trillion, one hundred thirty-one billion, two hundred thirty-one million, four thousand, thirty-one".