201315510263430 has 48 divisors (see below), whose sum is σ = 524725614376704. Its totient is φ = 53550260409600.

The previous prime is 201315510263407. The next prime is 201315510263443. The reversal of 201315510263430 is 34362015513102.

201315510263430 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 1 + 5 + 5 + 10 + 2 + 634 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2789039974 + ... + 2789112153.

It is an arithmetic number, because the mean of its divisors is an integer number (10931783632848).

Almost surely, 2^{201315510263430} is an apocalyptic number.

201315510263430 is an abundant number, since it is smaller than the sum of its proper divisors (323410104113274).

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

201315510263430 is a wasteful number, since it uses less digits than its factorization.

201315510263430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578152541 (or 5578152538 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 201315510263430 its reverse (34362015513102), we get a palindrome (235677525776532).

The spelling of 201315510263430 in words is "two hundred one trillion, three hundred fifteen billion, five hundred ten million, two hundred sixty-three thousand, four hundred thirty".