3513281121 has 96 divisors (see below), whose sum is σ = 6164121600. Its totient is φ = 1958432256.

The previous prime is 3513281117. The next prime is 3513281129. The reversal of 3513281121 is 1211823153.

3513281121 is a `hidden beast` number, since 3 + 513 + 28 + 1 + 121 = 666.

It is not a de Polignac number, because 3513281121 - 2² = 3513281117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3513281129) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17654580 + ... + 17654778.

It is an arithmetic number, because the mean of its divisors is an integer number (64209600).

Almost surely, 2^3513281121 is an apocalyptic number.

It is an amenable number.

3513281121 is a deficient number, since it is larger than the sum of its proper divisors (2650840479).

3513281121 is a wasteful number, since it uses less digits than its factorization.

3513281121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 413 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 3513281121 is about 59272.9375094570. The cubic root of 3513281121 is about 1520.2125050595.

The spelling of 3513281121 in words is "three billion, five hundred thirteen million, two hundred eighty-one thousand, one hundred twenty-one".