31132200223 has 2 divisors, whose sum is σ = 31132200224. Its totient is φ = 31132200222.

The previous prime is 31132200193. The next prime is 31132200257. The reversal of 31132200223 is 32200223113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31132200223 - 2⁵ = 31132200191 is a prime.

It is a super-2 number, since 2×31132200223² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31132200223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31132200293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15566100111 + 15566100112.

It is an arithmetic number, because the mean of its divisors is an integer number (15566100112).

Almost surely, 2^31132200223 is an apocalyptic number.

31132200223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31132200223 is an equidigital number, since it uses as much as digits as its factorization.

31132200223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31132200223 its reverse (32200223113), we get a palindrome (63332423336).

The spelling of 31132200223 in words is "thirty-one billion, one hundred thirty-two million, two hundred thousand, two hundred twenty-three".