4031312443231 has 8 divisors (see below), whose sum is σ = 4052482980480. Its totient is φ = 4010171831448.

The previous prime is 4031312443211. The next prime is 4031312443313. The reversal of 4031312443231 is 1323442131304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4031312443231 - 2¹¹ = 4031312441183 is a prime.

It is a super-2 number, since 2×4031312443231² (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 = 4031312443193 and 4031312443202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031312443211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7211211 + ... + 7750108.

It is an arithmetic number, because the mean of its divisors is an integer number (506560372560).

Almost surely, 2^{4031312443231} is an apocalyptic number.

4031312443231 is a deficient number, since it is larger than the sum of its proper divisors (21170537249).

4031312443231 is a wasteful number, since it uses less digits than its factorization.

4031312443231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14962733.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 4031312443231 its reverse (1323442131304), we get a palindrome (5354754574535).

The spelling of 4031312443231 in words is "four trillion, thirty-one billion, three hundred twelve million, four hundred forty-three thousand, two hundred thirty-one".