23213131102 has 16 divisors (see below), whose sum is σ = 39798202752. Its totient is φ = 9947418840.

The previous prime is 23213131091. The next prime is 23213131103. The reversal of 23213131102 is 20113131232.

It is a self number, because there is not a number n which added to its sum of digits gives 23213131102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213131103) 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 7 ways as a sum of consecutive naturals, for example, 54477 + ... + 222247.

It is an arithmetic number, because the mean of its divisors is an integer number (2487387672).

Almost surely, 2^23213131102 is an apocalyptic number.

23213131102 is a deficient number, since it is larger than the sum of its proper divisors (16585071650).

23213131102 is a wasteful number, since it uses less digits than its factorization.

23213131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177663.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23213131102 its reverse (20113131232), we get a palindrome (43326262334).

The spelling of 23213131102 in words is "twenty-three billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred two".