2031247017 has 32 divisors (see below), whose sum is σ = 3053813760. Its totient is φ = 1334264400.

The previous prime is 2031246983. The next prime is 2031247033. The reversal of 2031247017 is 7107421302.

It is a happy number.

It is not a de Polignac number, because 2031247017 - 2⁶ = 2031246953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2031247037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515818 + ... + 519740.

It is an arithmetic number, because the mean of its divisors is an integer number (95431680).

Almost surely, 2^2031247017 is an apocalyptic number.

2031247017 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2031247017 is a deficient number, since it is larger than the sum of its proper divisors (1022566743).

2031247017 is a wasteful number, since it uses less digits than its factorization.

2031247017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210 (or 4204 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2031247017 is about 45069.3578498740. The cubic root of 2031247017 is about 1266.4486348253.

Adding to 2031247017 its reverse (7107421302), we get a palindrome (9138668319).

The spelling of 2031247017 in words is "two billion, thirty-one million, two hundred forty-seven thousand, seventeen".