31232200223 has 8 divisors (see below), whose sum is σ = 36021411360. Its totient is φ = 26524856160.

The previous prime is 31232200183. The next prime is 31232200249. The reversal of 31232200223 is 32200223213.

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

It is a cyclic number.

It is not a de Polignac number, because 31232200223 - 2⁸ = 31232199967 is a prime.

It is a super-2 number, since 2×31232200223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31232200195 and 31232200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232200423) 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, 20465948 + ... + 20467473.

It is an arithmetic number, because the mean of its divisors is an integer number (4502676420).

Almost surely, 2^31232200223 is an apocalyptic number.

31232200223 is a deficient number, since it is larger than the sum of its proper divisors (4789211137).

31232200223 is a wasteful number, since it uses less digits than its factorization.

31232200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40933537.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31232200223 its reverse (32200223213), we get a palindrome (63432423436).

The spelling of 31232200223 in words is "thirty-one billion, two hundred thirty-two million, two hundred thousand, two hundred twenty-three".