31232132223 has 8 divisors (see below), whose sum is σ = 41643662208. Its totient is φ = 20821011864.

The previous prime is 31232132219. The next prime is 31232132237. The reversal of 31232132223 is 32223123213.

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

It is not a de Polignac number, because 31232132223 - 2² = 31232132219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31232132193 and 31232132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232132273) 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, 225486 + ... + 336612.

It is an arithmetic number, because the mean of its divisors is an integer number (5205457776).

Almost surely, 2^31232132223 is an apocalyptic number.

31232132223 is a deficient number, since it is larger than the sum of its proper divisors (10411529985).

31232132223 is a wasteful number, since it uses less digits than its factorization.

31232132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204813.

The product of its digits is 2592, while the sum is 24.

Adding to 31232132223 its reverse (32223123213), we get a palindrome (63455255436).

The spelling of 31232132223 in words is "thirty-one billion, two hundred thirty-two million, one hundred thirty-two thousand, two hundred twenty-three".