3538780331 has 4 divisors (see below), whose sum is σ = 3621077592. Its totient is φ = 3456483072.

The previous prime is 3538780319. The next prime is 3538780337. The reversal of 3538780331 is 1330878353.

It is a happy number.

3538780331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3538780331 - 2³⁰ = 2465038507 is a prime.

It is a super-2 number, since 2×3538780331² = 25045932462144939122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3538780337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41148566 + ... + 41148651.

It is an arithmetic number, because the mean of its divisors is an integer number (905269398).

Almost surely, 2^3538780331 is an apocalyptic number.

3538780331 is a deficient number, since it is larger than the sum of its proper divisors (82297261).

3538780331 is an equidigital number, since it uses as much as digits as its factorization.

3538780331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82297260.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 3538780331 is about 59487.6485583352. The cubic root of 3538780331 is about 1523.8815170195.

The spelling of 3538780331 in words is "three billion, five hundred thirty-eight million, seven hundred eighty thousand, three hundred thirty-one".