31023200323 has 6 divisors (see below), whose sum is σ = 32741937564. Its totient is φ = 29390399964.

The previous prime is 31023200303. The next prime is 31023200333. The reversal of 31023200323 is 32300232013.

It is a happy number.

It is not a de Polignac number, because 31023200323 - 2⁵ = 31023200291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31023200323.

It is not an unprimeable number, because it can be changed into a prime (31023200303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42968061 + ... + 42968782.

It is an arithmetic number, because the mean of its divisors is an integer number (5456989594).

Almost surely, 2^31023200323 is an apocalyptic number.

31023200323 is a deficient number, since it is larger than the sum of its proper divisors (1718737241).

31023200323 is an equidigital number, since it uses as much as digits as its factorization.

31023200323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85936881 (or 85936862 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 31023200323 its reverse (32300232013), we get a palindrome (63323432336).

The spelling of 31023200323 in words is "thirty-one billion, twenty-three million, two hundred thousand, three hundred twenty-three".