3520040331 has 8 divisors (see below), whose sum is σ = 4730343424. Its totient is φ = 2328215400.

The previous prime is 3520040327. The next prime is 3520040351. The reversal of 3520040331 is 1330400253.

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

It is not a de Polignac number, because 3520040331 - 2² = 3520040327 is a prime.

It is a super-2 number, since 2×3520040331² = 24781367863733179122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3520040298 and 3520040307.

It is not an unprimeable number, because it can be changed into a prime (3520040351) 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, 4619095 + ... + 4619856.

It is an arithmetic number, because the mean of its divisors is an integer number (591292928).

Almost surely, 2^3520040331 is an apocalyptic number.

3520040331 is a deficient number, since it is larger than the sum of its proper divisors (1210303093).

3520040331 is a wasteful number, since it uses less digits than its factorization.

3520040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9239081.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 3520040331 is about 59329.9277852249. The cubic root of 3520040331 is about 1521.1867940125.

Adding to 3520040331 its reverse (1330400253), we get a palindrome (4850440584).

The spelling of 3520040331 in words is "three billion, five hundred twenty million, forty thousand, three hundred thirty-one".