2031254145017 has 2 divisors, whose sum is σ = 2031254145018. Its totient is φ = 2031254145016.

The previous prime is 2031254145013. The next prime is 2031254145077. The reversal of 2031254145017 is 7105414521302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1915425552121 + 115828592896 = 1383989^2 + 340336^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031254145017 - 2² = 2031254145013 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031254145013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015627072508 + 1015627072509.

It is an arithmetic number, because the mean of its divisors is an integer number (1015627072509).

Almost surely, 2^{2031254145017} is an apocalyptic number.

It is an amenable number.

2031254145017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031254145017 is an equidigital number, since it uses as much as digits as its factorization.

2031254145017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 2031254145017 its reverse (7105414521302), we get a palindrome (9136668666319).

The spelling of 2031254145017 in words is "two trillion, thirty-one billion, two hundred fifty-four million, one hundred forty-five thousand, seventeen".