31323300223 has 8 divisors (see below), whose sum is σ = 31393414800. Its totient is φ = 31253253120.

The previous prime is 31323300179. The next prime is 31323300227. The reversal of 31323300223 is 32200332313.

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 31323300223 - 2²¹ = 31321203071 is a prime.

It is a super-2 number, since 2×31323300223² (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 = 31323300194 and 31323300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323300227) 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, 977136 + ... + 1008682.

It is an arithmetic number, because the mean of its divisors is an integer number (3924176850).

Almost surely, 2^31323300223 is an apocalyptic number.

31323300223 is a deficient number, since it is larger than the sum of its proper divisors (70114577).

31323300223 is a wasteful number, since it uses less digits than its factorization.

31323300223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33737.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 31323300223 its reverse (32200332313), we get a palindrome (63523632536).

The spelling of 31323300223 in words is "thirty-one billion, three hundred twenty-three million, three hundred thousand, two hundred twenty-three".