202031043136 has 112 divisors (see below), whose sum is σ = 467773536384. Its totient is φ = 85718900736.

The previous prime is 202031043133. The next prime is 202031043161. The reversal of 202031043136 is 631340130202.

It is a self number, because there is not a number n which added to its sum of digits gives 202031043136.

It is not an unprimeable number, because it can be changed into a prime (202031043133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442101 + ... + 774283.

It is an arithmetic number, because the mean of its divisors is an integer number (4176549432).

Almost surely, 2^202031043136 is an apocalyptic number.

202031043136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202031043136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233886768192).

202031043136 is an abundant number, since it is smaller than the sum of its proper divisors (265742493248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202031043136 is a wasteful number, since it uses less digits than its factorization.

202031043136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332268 (or 332258 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 202031043136 its reverse (631340130202), we get a palindrome (833371173338).

The spelling of 202031043136 in words is "two hundred two billion, thirty-one million, forty-three thousand, one hundred thirty-six".