2031067897 has 2 divisors, whose sum is σ = 2031067898. Its totient is φ = 2031067896.

The previous prime is 2031067849. The next prime is 2031067903. The reversal of 2031067897 is 7987601302.

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., 1799541241 + 231526656 = 42421^2 + 15216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031067897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031067817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015533948 + 1015533949.

It is an arithmetic number, because the mean of its divisors is an integer number (1015533949).

Almost surely, 2^2031067897 is an apocalyptic number.

It is an amenable number.

2031067897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031067897 is an equidigital number, since it uses as much as digits as its factorization.

2031067897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 2031067897 is about 45067.3706466219. The cubic root of 2031067897 is about 1266.4114076202.

The spelling of 2031067897 in words is "two billion, thirty-one million, sixty-seven thousand, eight hundred ninety-seven".