331140006643 has 8 divisors (see below), whose sum is σ = 331794044208. Its totient is φ = 330486292224.

The previous prime is 331140006557. The next prime is 331140006647. The reversal of 331140006643 is 346600041133.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331140006643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331140006647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024655 + ... + 2182087.

It is an arithmetic number, because the mean of its divisors is an integer number (41474255526).

Almost surely, 2^331140006643 is an apocalyptic number.

331140006643 is a deficient number, since it is larger than the sum of its proper divisors (654037565).

331140006643 is a wasteful number, since it uses less digits than its factorization.

331140006643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161573.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 331140006643 its reverse (346600041133), we get a palindrome (677740047776).

The spelling of 331140006643 in words is "three hundred thirty-one billion, one hundred forty million, six thousand, six hundred forty-three".