2033431397 has 2 divisors, whose sum is σ = 2033431398. Its totient is φ = 2033431396.

The previous prime is 2033431373. The next prime is 2033431423. The reversal of 2033431397 is 7931343302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1330863361 + 702568036 = 36481^2 + 26506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033431397 - 2⁶ = 2033431333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2033436397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016715698 + 1016715699.

It is an arithmetic number, because the mean of its divisors is an integer number (1016715699).

Almost surely, 2^2033431397 is an apocalyptic number.

It is an amenable number.

2033431397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2033431397 is an equidigital number, since it uses as much as digits as its factorization.

2033431397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 2033431397 is about 45093.5848763436. The cubic root of 2033431397 is about 1266.9024470211.

Adding to 2033431397 its reverse (7931343302), we get a palindrome (9964774699).

The spelling of 2033431397 in words is "two billion, thirty-three million, four hundred thirty-one thousand, three hundred ninety-seven".