3531313540 has 24 divisors (see below), whose sum is σ = 7654977792. Its totient is φ = 1366959840.

The previous prime is 3531313529. The next prime is 3531313543. The reversal of 3531313540 is 453131353.

It is a junction number, because it is equal to n+sod(n) for n = 3531313499 and 3531313508.

It is not an unprimeable number, because it can be changed into a prime (3531313543) 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, 2847214 + ... + 2848453.

It is an arithmetic number, because the mean of its divisors is an integer number (318957408).

Almost surely, 2^3531313540 is an apocalyptic number.

It is an amenable number.

3531313540 is an abundant number, since it is smaller than the sum of its proper divisors (4123664252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3531313540 is a wasteful number, since it uses less digits than its factorization.

3531313540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695707 (or 5695705 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 3531313540 is about 59424.8562471968. The cubic root of 3531313540 is about 1522.8089707399.

Adding to 3531313540 its reverse (453131353), we get a palindrome (3984444893).

The spelling of 3531313540 in words is "three billion, five hundred thirty-one million, three hundred thirteen thousand, five hundred forty".