23131032219 has 56 divisors (see below), whose sum is σ = 36287774880. Its totient is φ = 14709796992.

The previous prime is 23131032191. The next prime is 23131032227. The reversal of 23131032219 is 91223013132.

23131032219 is a `hidden beast` number, since 2 + 313 + 10 + 322 + 19 = 666.

It is not a de Polignac number, because 23131032219 - 2⁷ = 23131032091 is a prime.

It is a super-2 number, since 2×23131032219² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23131032192 and 23131032201.

It is not an unprimeable number, because it can be changed into a prime (23131032289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 6856017 + ... + 6859389.

It is an arithmetic number, because the mean of its divisors is an integer number (647995980).

Almost surely, 2^23131032219 is an apocalyptic number.

23131032219 is a deficient number, since it is larger than the sum of its proper divisors (13156742661).

23131032219 is an equidigital number, since it uses as much as digits as its factorization.

23131032219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823 (or 3808 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 23131032219 in words is "twenty-three billion, one hundred thirty-one million, thirty-two thousand, two hundred nineteen".