3133293021 has 24 divisors (see below), whose sum is σ = 4880279040. Its totient is φ = 1930651200.

The previous prime is 3133293011. The next prime is 3133293043. The reversal of 3133293021 is 1203923313.

3133293021 is a `hidden beast` number, since 31 + 3 + 329 + 302 + 1 = 666.

3133293021 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 not a de Polignac number, because 3133293021 - 2²¹ = 3131195869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133293011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216445 + ... + 230466.

It is an arithmetic number, because the mean of its divisors is an integer number (203344960).

Almost surely, 2^3133293021 is an apocalyptic number.

It is an amenable number.

3133293021 is a deficient number, since it is larger than the sum of its proper divisors (1746986019).

3133293021 is a wasteful number, since it uses less digits than its factorization.

3133293021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446977 (or 446974 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 3133293021 is about 55975.8253266533. The cubic root of 3133293021 is about 1463.3010035988.

The spelling of 3133293021 in words is "three billion, one hundred thirty-three million, two hundred ninety-three thousand, twenty-one".