202112330513 has 12 divisors (see below), whose sum is σ = 211428102900. Its totient is φ = 193191050976.

The previous prime is 202112330447. The next prime is 202112330533. The reversal of 202112330513 is 315033211202.

It can be written as a sum of positive squares in 2 ways, for example, as 167438911249 + 34673419264 = 409193^2 + 186208^2 .

It is not a de Polignac number, because 202112330513 - 2⁸ = 202112330257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202112330533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 637163 + ... + 900111.

It is an arithmetic number, because the mean of its divisors is an integer number (17619008575).

Almost surely, 2^202112330513 is an apocalyptic number.

202112330513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

202112330513 is a deficient number, since it is larger than the sum of its proper divisors (9315772387).

202112330513 is a wasteful number, since it uses less digits than its factorization.

202112330513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264448 (or 264425 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 202112330513 its reverse (315033211202), we get a palindrome (517145541715).

The spelling of 202112330513 in words is "two hundred two billion, one hundred twelve million, three hundred thirty thousand, five hundred thirteen".