3115332021 has 4 divisors (see below), whose sum is σ = 4153776032. Its totient is φ = 2076888012.

The previous prime is 3115331963. The next prime is 3115332029. The reversal of 3115332021 is 1202335113.

3115332021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3115332021 - 2¹⁸ = 3115069877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115332029) 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, 519222001 + ... + 519222006.

It is an arithmetic number, because the mean of its divisors is an integer number (1038444008).

Almost surely, 2^3115332021 is an apocalyptic number.

It is an amenable number.

3115332021 is a deficient number, since it is larger than the sum of its proper divisors (1038444011).

3115332021 is a wasteful number, since it uses less digits than its factorization.

3115332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038444010.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3115332021 is about 55815.1594192832. The cubic root of 3115332021 is about 1460.4996133684.

Adding to 3115332021 its reverse (1202335113), we get a palindrome (4317667134).

The spelling of 3115332021 in words is "three billion, one hundred fifteen million, three hundred thirty-two thousand, twenty-one".