2031323293 has 2 divisors, whose sum is σ = 2031323294. Its totient is φ = 2031323292.

The previous prime is 2031323291. The next prime is 2031323297. The reversal of 2031323293 is 3923231302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1988000569 + 43322724 = 44587^2 + 6582^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031323293 - 2¹ = 2031323291 is a prime.

Together with 2031323291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031323291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015661646 + 1015661647.

It is an arithmetic number, because the mean of its divisors is an integer number (1015661647).

Almost surely, 2^2031323293 is an apocalyptic number.

It is an amenable number.

2031323293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031323293 is an equidigital number, since it uses as much as digits as its factorization.

2031323293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 2031323293 is about 45070.2040487948. The cubic root of 2031323293 is about 1266.4644868981.

Adding to 2031323293 its reverse (3923231302), we get a palindrome (5954554595).

The spelling of 2031323293 in words is "two billion, thirty-one million, three hundred twenty-three thousand, two hundred ninety-three".