2209053907231 has 16 divisors (see below), whose sum is σ = 2282070133728. Its totient is φ = 2137021747200.

The previous prime is 2209053907199. The next prime is 2209053907241. The reversal of 2209053907231 is 1327093509022.

It is a cyclic number.

It is not a de Polignac number, because 2209053907231 - 2⁵ = 2209053907199 is a prime.

It is a super-4 number, since 4×2209053907231⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209053907241) 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, 1974621 + ... + 2883961.

It is an arithmetic number, because the mean of its divisors is an integer number (142629383358).

Almost surely, 2^{2209053907231} is an apocalyptic number.

2209053907231 is a deficient number, since it is larger than the sum of its proper divisors (73016226497).

2209053907231 is a wasteful number, since it uses less digits than its factorization.

2209053907231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909882.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 2209053907231 in words is "two trillion, two hundred nine billion, fifty-three million, nine hundred seven thousand, two hundred thirty-one".