2031303022231 has 6 divisors (see below), whose sum is σ = 2362944332040. Its totient is φ = 1741116876156.

The previous prime is 2031303022141. The next prime is 2031303022237. The reversal of 2031303022231 is 1322203031302.

It is not a de Polignac number, because 2031303022231 - 2⁷ = 2031303022103 is a prime.

It is a super-2 number, since 2×2031303022231² (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 (2031303022237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20727581811 + ... + 20727581908.

It is an arithmetic number, because the mean of its divisors is an integer number (393824055340).

Almost surely, 2^{2031303022231} is an apocalyptic number.

2031303022231 is a deficient number, since it is larger than the sum of its proper divisors (331641309809).

2031303022231 is an equidigital number, since it uses as much as digits as its factorization.

2031303022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41455163733 (or 41455163726 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2031303022231 its reverse (1322203031302), we get a palindrome (3353506053533).

The spelling of 2031303022231 in words is "two trillion, thirty-one billion, three hundred three million, twenty-two thousand, two hundred thirty-one".