3113532521 has 4 divisors (see below), whose sum is σ = 3396580944. Its totient is φ = 2830484100.

The previous prime is 3113532511. The next prime is 3113532529. The reversal of 3113532521 is 1252353113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3113532521 - 2²² = 3109338217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113532529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141524195 + ... + 141524216.

It is an arithmetic number, because the mean of its divisors is an integer number (849145236).

Almost surely, 2^3113532521 is an apocalyptic number.

It is an amenable number.

3113532521 is a deficient number, since it is larger than the sum of its proper divisors (283048423).

3113532521 is a wasteful number, since it uses less digits than its factorization.

3113532521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283048422.

The product of its digits is 2700, while the sum is 26.

The square root of 3113532521 is about 55799.0369182121. The cubic root of 3113532521 is about 1460.2183511859.

Adding to 3113532521 its reverse (1252353113), we get a palindrome (4365885634).

The spelling of 3113532521 in words is "three billion, one hundred thirteen million, five hundred thirty-two thousand, five hundred twenty-one".