2031032209 has 2 divisors, whose sum is σ = 2031032210. Its totient is φ = 2031032208.

The previous prime is 2031032191. The next prime is 2031032233. The reversal of 2031032209 is 9022301302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1409627025 + 621405184 = 37545^2 + 24928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031032209 - 2⁹ = 2031031697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031032209.

It is not a weakly prime, because it can be changed into another prime (2031032249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015516104 + 1015516105.

It is an arithmetic number, because the mean of its divisors is an integer number (1015516105).

Almost surely, 2^2031032209 is an apocalyptic number.

It is an amenable number.

2031032209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031032209 is an equidigital number, since it uses as much as digits as its factorization.

2031032209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2031032209 is about 45066.9747043220. The cubic root of 2031032209 is about 1266.4039901831.

The spelling of 2031032209 in words is "two billion, thirty-one million, thirty-two thousand, two hundred nine".