2031313373 has 2 divisors, whose sum is σ = 2031313374. Its totient is φ = 2031313372.

The previous prime is 2031313331. The next prime is 2031313387. The reversal of 2031313373 is 3733131302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1997464249 + 33849124 = 44693^2 + 5818^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031313373 - 2¹⁸ = 2031051229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031313073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015656686 + 1015656687.

It is an arithmetic number, because the mean of its divisors is an integer number (1015656687).

Almost surely, 2^2031313373 is an apocalyptic number.

It is an amenable number.

2031313373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031313373 is an equidigital number, since it uses as much as digits as its factorization.

2031313373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 2031313373 is about 45070.0939981270. The cubic root of 2031313373 is about 1266.4624252948.

Adding to 2031313373 its reverse (3733131302), we get a palindrome (5764444675).

The spelling of 2031313373 in words is "two billion, thirty-one million, three hundred thirteen thousand, three hundred seventy-three".