202113013 has 4 divisors (see below), whose sum is σ = 212750560. Its totient is φ = 191475468.

The previous prime is 202113001. The next prime is 202113031. The reversal of 202113013 is 310311202.

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 a cyclic number.

It is not a de Polignac number, because 202113013 - 2¹³ = 202104821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202112984 and 202113002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202113053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318745 + ... + 5318782.

It is an arithmetic number, because the mean of its divisors is an integer number (53187640).

Almost surely, 2^202113013 is an apocalyptic number.

It is an amenable number.

202113013 is a deficient number, since it is larger than the sum of its proper divisors (10637547).

202113013 is a wasteful number, since it uses less digits than its factorization.

202113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10637546.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 202113013 is about 14216.6456310903. The cubic root of 202113013 is about 586.8558328444.

Adding to 202113013 its reverse (310311202), we get a palindrome (512424215).

The spelling of 202113013 in words is "two hundred two million, one hundred thirteen thousand, thirteen".