2031947205 has 32 divisors (see below), whose sum is σ = 3376200960. Its totient is φ = 1042298880.

The previous prime is 2031947179. The next prime is 2031947207. The reversal of 2031947205 is 5027491302.

It is not a de Polignac number, because 2031947205 - 2¹⁴ = 2031930821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031947207) 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, 105525 + ... + 123285.

It is an arithmetic number, because the mean of its divisors is an integer number (105506280).

Almost surely, 2^2031947205 is an apocalyptic number.

It is an amenable number.

2031947205 is a deficient number, since it is larger than the sum of its proper divisors (1344253755).

2031947205 is a wasteful number, since it uses less digits than its factorization.

2031947205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18061.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2031947205 is about 45077.1250746984. The cubic root of 2031947205 is about 1266.5941366211.

The spelling of 2031947205 in words is "two billion, thirty-one million, nine hundred forty-seven thousand, two hundred five".