31430423313321 has 8 divisors (see below), whose sum is σ = 41907258370944. Its totient is φ = 20953601898960.

The previous prime is 31430423313319. The next prime is 31430423313389. The reversal of 31430423313321 is 12331332403413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31430423313321 - 2¹ = 31430423313319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31430423313301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762551 + ... + 9248931.

It is an arithmetic number, because the mean of its divisors is an integer number (5238407296368).

Almost surely, 2^{31430423313321} is an apocalyptic number.

It is an amenable number.

31430423313321 is a deficient number, since it is larger than the sum of its proper divisors (10476835057623).

31430423313321 is a wasteful number, since it uses less digits than its factorization.

31430423313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821631.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 31430423313321 its reverse (12331332403413), we get a palindrome (43761755716734).

The spelling of 31430423313321 in words is "thirty-one trillion, four hundred thirty billion, four hundred twenty-three million, three hundred thirteen thousand, three hundred twenty-one".