2316533021 has 24 divisors (see below), whose sum is σ = 2748695040. Its totient is φ = 1944847520.

The previous prime is 2316533003. The next prime is 2316533053. The reversal of 2316533021 is 1203356132.

2316533021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2316533021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2316533081) 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, 66356 + ... + 95058.

It is an arithmetic number, because the mean of its divisors is an integer number (114528960).

Almost surely, 2^2316533021 is an apocalyptic number.

It is an amenable number.

2316533021 is a deficient number, since it is larger than the sum of its proper divisors (432162019).

2316533021 is a wasteful number, since it uses less digits than its factorization.

2316533021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28777 (or 28766 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2316533021 is about 48130.3752426677. The cubic root of 2316533021 is about 1323.1614269030.

Adding to 2316533021 its reverse (1203356132), we get a palindrome (3519889153).

The spelling of 2316533021 in words is "two billion, three hundred sixteen million, five hundred thirty-three thousand, twenty-one".