202031133213 has 16 divisors (see below), whose sum is σ = 331538270336. Its totient is φ = 106565872320.

The previous prime is 202031133209. The next prime is 202031133247. The reversal of 202031133213 is 312331130202.

It is not a de Polignac number, because 202031133213 - 2² = 202031133209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 202031133213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202031132213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370020118 + ... + 370020663.

It is an arithmetic number, because the mean of its divisors is an integer number (20721141896).

Almost surely, 2^202031133213 is an apocalyptic number.

It is an amenable number.

202031133213 is a deficient number, since it is larger than the sum of its proper divisors (129507137123).

202031133213 is a wasteful number, since it uses less digits than its factorization.

202031133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740040804.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 202031133213 its reverse (312331130202), we get a palindrome (514362263415).

The spelling of 202031133213 in words is "two hundred two billion, thirty-one million, one hundred thirty-three thousand, two hundred thirteen".