320031140435 has 16 divisors (see below), whose sum is σ = 385099674624. Its totient is φ = 255316918272.

The previous prime is 320031140393. The next prime is 320031140467. The reversal of 320031140435 is 534041130023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320031140435 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24032339 + ... + 24045651.

It is an arithmetic number, because the mean of its divisors is an integer number (24068729664).

Almost surely, 2^320031140435 is an apocalyptic number.

320031140435 is a deficient number, since it is larger than the sum of its proper divisors (65068534189).

320031140435 is a wasteful number, since it uses less digits than its factorization.

320031140435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26254.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 320031140435 its reverse (534041130023), we get a palindrome (854072270458).

The spelling of 320031140435 in words is "three hundred twenty billion, thirty-one million, one hundred forty thousand, four hundred thirty-five".