23131202219 has 2 divisors, whose sum is σ = 23131202220. Its totient is φ = 23131202218.

The previous prime is 23131202209. The next prime is 23131202249. The reversal of 23131202219 is 91220213132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23131202219 is a prime.

It is a super-2 number, since 2×23131202219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23131202209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565601109 + 11565601110.

It is an arithmetic number, because the mean of its divisors is an integer number (11565601110).

Almost surely, 2^23131202219 is an apocalyptic number.

23131202219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131202219 is an equidigital number, since it uses as much as digits as its factorization.

23131202219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 23131202219 in words is "twenty-three billion, one hundred thirty-one million, two hundred two thousand, two hundred nineteen".