32131001223 has 24 divisors (see below), whose sum is σ = 47085611040. Its totient is φ = 21109777920.

The previous prime is 32131001171. The next prime is 32131001233. The reversal of 32131001223 is 32210013123.

32131001223 is a `hidden beast` number, since 321 + 310 + 0 + 12 + 23 = 666.

It is not a de Polignac number, because 32131001223 - 2²⁸ = 31862565767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32131001196 and 32131001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131001233) 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 23 ways as a sum of consecutive naturals, for example, 1657515 + ... + 1676787.

It is an arithmetic number, because the mean of its divisors is an integer number (1961900460).

Almost surely, 2^32131001223 is an apocalyptic number.

32131001223 is a deficient number, since it is larger than the sum of its proper divisors (14954609817).

32131001223 is a wasteful number, since it uses less digits than its factorization.

32131001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21959 (or 21956 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 32131001223 its reverse (32210013123), we get a palindrome (64341014346).

The spelling of 32131001223 in words is "thirty-two billion, one hundred thirty-one million, one thousand, two hundred twenty-three".