31330421323 has 8 divisors (see below), whose sum is σ = 31999749120. Its totient is φ = 30661207080.

The previous prime is 31330421321. The next prime is 31330421329. The reversal of 31330421323 is 32312403313.

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 31330421323 - 2¹ = 31330421321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31330421321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761038 + ... + 801148.

It is an arithmetic number, because the mean of its divisors is an integer number (3999968640).

Almost surely, 2^31330421323 is an apocalyptic number.

31330421323 is a deficient number, since it is larger than the sum of its proper divisors (669327797).

31330421323 is a wasteful number, since it uses less digits than its factorization.

31330421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56777.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31330421323 its reverse (32312403313), we get a palindrome (63642824636).

The spelling of 31330421323 in words is "thirty-one billion, three hundred thirty million, four hundred twenty-one thousand, three hundred twenty-three".