31200022323 has 24 divisors (see below), whose sum is σ = 46654672896. Its totient is φ = 20070975600.

The previous prime is 31200022313. The next prime is 31200022367. The reversal of 31200022323 is 32322000213.

It is a happy number.

It is not a de Polignac number, because 31200022323 - 2¹⁶ = 31199956787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31200022296 and 31200022305.

It is not an unprimeable number, because it can be changed into a prime (31200022313) 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, 64323 + ... + 257948.

It is an arithmetic number, because the mean of its divisors is an integer number (1943944704).

Almost surely, 2^31200022323 is an apocalyptic number.

31200022323 is a deficient number, since it is larger than the sum of its proper divisors (15454650573).

31200022323 is a wasteful number, since it uses less digits than its factorization.

31200022323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322655 (or 322652 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 31200022323 its reverse (32322000213), we get a palindrome (63522022536).

The spelling of 31200022323 in words is "thirty-one billion, two hundred million, twenty-two thousand, three hundred twenty-three".