23130031211 has 8 divisors (see below), whose sum is σ = 26559604224. Its totient is φ = 19731778920.

The previous prime is 23130031081. The next prime is 23130031217. The reversal of 23130031211 is 11213003132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23130031211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23130031211.

It is not an unprimeable number, because it can be changed into a prime (23130031217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7828595 + ... + 7831548.

It is an arithmetic number, because the mean of its divisors is an integer number (3319950528).

Almost surely, 2^23130031211 is an apocalyptic number.

23130031211 is a deficient number, since it is larger than the sum of its proper divisors (3429573013).

23130031211 is a wasteful number, since it uses less digits than its factorization.

23130031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15660361.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23130031211 its reverse (11213003132), we get a palindrome (34343034343).

The spelling of 23130031211 in words is "twenty-three billion, one hundred thirty million, thirty-one thousand, two hundred eleven".