231513450033530 has 32 divisors (see below), whose sum is σ = 487331966588544. Its totient is φ = 77530085591616.

The previous prime is 231513450033527. The next prime is 231513450033563. The reversal of 231513450033530 is 35330054315132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38457380717 + ... + 38457386736.

It is an arithmetic number, because the mean of its divisors is an integer number (15229123955892).

Almost surely, 2^{231513450033530} is an apocalyptic number.

231513450033530 is an abundant number, since it is smaller than the sum of its proper divisors (255818516555014).

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

231513450033530 is a wasteful number, since it uses less digits than its factorization.

231513450033530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76914767510.

The product of its (nonzero) digits is 243000, while the sum is 38.

The spelling of 231513450033530 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fifty million, thirty-three thousand, five hundred thirty".