2031213444231 has 8 divisors (see below), whose sum is σ = 2850825886720. Its totient is φ = 1282871648952.

The previous prime is 2031213444229. The next prime is 2031213444287. The reversal of 2031213444231 is 1324443121302.

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

It is not a de Polignac number, because 2031213444231 - 2¹ = 2031213444229 is a prime.

It is a super-2 number, since 2×2031213444231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031213449231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17817661735 + ... + 17817661848.

It is an arithmetic number, because the mean of its divisors is an integer number (356353235840).

Almost surely, 2^{2031213444231} is an apocalyptic number.

2031213444231 is a deficient number, since it is larger than the sum of its proper divisors (819612442489).

2031213444231 is a wasteful number, since it uses less digits than its factorization.

2031213444231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35635323605.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 2031213444231 its reverse (1324443121302), we get a palindrome (3355656565533).

The spelling of 2031213444231 in words is "two trillion, thirty-one billion, two hundred thirteen million, four hundred forty-four thousand, two hundred thirty-one".