2040203031197 has 2 divisors, whose sum is σ = 2040203031198. Its totient is φ = 2040203031196.

The previous prime is 2040203031193. The next prime is 2040203031239. The reversal of 2040203031197 is 7911303020402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030414105476 + 9788925721 = 1424926^2 + 98939^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040203031197 - 2² = 2040203031193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040203031193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020101515598 + 1020101515599.

It is an arithmetic number, because the mean of its divisors is an integer number (1020101515599).

Almost surely, 2^{2040203031197} is an apocalyptic number.

It is an amenable number.

2040203031197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040203031197 is an equidigital number, since it uses as much as digits as its factorization.

2040203031197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 2040203031197 its reverse (7911303020402), we get a palindrome (9951506051599).

The spelling of 2040203031197 in words is "two trillion, forty billion, two hundred three million, thirty-one thousand, one hundred ninety-seven".