2031320422177 has 16 divisors (see below), whose sum is σ = 2067103245312. Its totient is φ = 1995890302800.

The previous prime is 2031320422151. The next prime is 2031320422199. The reversal of 2031320422177 is 7712240231302.

It is not a de Polignac number, because 2031320422177 - 2¹⁵ = 2031320389409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031320422877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10291188 + ... + 10486714.

It is an arithmetic number, because the mean of its divisors is an integer number (129193952832).

Almost surely, 2^{2031320422177} is an apocalyptic number.

It is an amenable number.

2031320422177 is a deficient number, since it is larger than the sum of its proper divisors (35782823135).

2031320422177 is a wasteful number, since it uses less digits than its factorization.

2031320422177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196428.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 2031320422177 its reverse (7712240231302), we get a palindrome (9743560653479).

The spelling of 2031320422177 in words is "two trillion, thirty-one billion, three hundred twenty million, four hundred twenty-two thousand, one hundred seventy-seven".