2231010004009 has 2 divisors, whose sum is σ = 2231010004010. Its totient is φ = 2231010004008.

The previous prime is 2231010004007. The next prime is 2231010004129. The reversal of 2231010004009 is 9004000101322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1696141569600 + 534868434409 = 1302360^2 + 731347^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231010004009 - 2¹ = 2231010004007 is a prime.

It is a super-3 number, since 3×2231010004009³ (a number of 38 digits) contains 333 as substring.

Together with 2231010004007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2231010004001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115505002004 + 1115505002005.

It is an arithmetic number, because the mean of its divisors is an integer number (1115505002005).

Almost surely, 2^{2231010004009} is an apocalyptic number.

It is an amenable number.

2231010004009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231010004009 is an equidigital number, since it uses as much as digits as its factorization.

2231010004009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 2231010004009 in words is "two trillion, two hundred thirty-one billion, ten million, four thousand, nine".