202731342133240 has 16 divisors (see below), whose sum is σ = 456145519799880. Its totient is φ = 81092536853280.

The previous prime is 202731342133217. The next prime is 202731342133253. The reversal of 202731342133240 is 42331243137202.

202731342133240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202731342133240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534141776626 + ... + 2534141776705.

Almost surely, 2^{202731342133240} is an apocalyptic number.

202731342133240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202731342133240 is an abundant number, since it is smaller than the sum of its proper divisors (253414177666640).

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

202731342133240 is a wasteful number, since it uses less digits than its factorization.

202731342133240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068283553342 (or 5068283553338 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 202731342133240 in words is "two hundred two trillion, seven hundred thirty-one billion, three hundred forty-two million, one hundred thirty-three thousand, two hundred forty".