2031042331 has 2 divisors, whose sum is σ = 2031042332. Its totient is φ = 2031042330.

The previous prime is 2031042329. The next prime is 2031042337. The reversal of 2031042331 is 1332401302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031042331 - 2¹ = 2031042329 is a prime.

It is a super-2 number, since 2×2031042331² = 8250265900627827122, which contains 22 as substring.

Together with 2031042329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2031042299 and 2031042308.

It is not a weakly prime, because it can be changed into another prime (2031042337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015521165 + 1015521166.

It is an arithmetic number, because the mean of its divisors is an integer number (1015521166).

Almost surely, 2^2031042331 is an apocalyptic number.

2031042331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031042331 is an equidigital number, since it uses as much as digits as its factorization.

2031042331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2031042331 is about 45067.0870037104. The cubic root of 2031042331 is about 1266.4060939607.

Adding to 2031042331 its reverse (1332401302), we get a palindrome (3363443633).

The spelling of 2031042331 in words is "two billion, thirty-one million, forty-two thousand, three hundred thirty-one".