2031096917 has 4 divisors (see below), whose sum is σ = 2049071340. Its totient is φ = 2013122496.

The previous prime is 2031096887. The next prime is 2031096937. The reversal of 2031096917 is 7196901302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 417548356 + 1613548561 = 20434^2 + 40169^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031096917 - 2⁶ = 2031096853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031096937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8987042 + ... + 8987267.

It is an arithmetic number, because the mean of its divisors is an integer number (512267835).

Almost surely, 2^2031096917 is an apocalyptic number.

It is an amenable number.

2031096917 is a deficient number, since it is larger than the sum of its proper divisors (17974423).

2031096917 is a wasteful number, since it uses less digits than its factorization.

2031096917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17974422.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 2031096917 is about 45067.6926078982. The cubic root of 2031096917 is about 1266.4174391081.

The spelling of 2031096917 in words is "two billion, thirty-one million, ninety-six thousand, nine hundred seventeen".