213701534280 has 768 divisors, whose sum is σ = 804473856000. Its totient is φ = 50382259200.

The previous prime is 213701534269. The next prime is 213701534341. The reversal of 213701534280 is 82435107312.

213701534280 is a `hidden beast` number, since 2 + 1 + 370 + 1 + 5 + 3 + 4 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1012803375 + ... + 1012803585.

It is an arithmetic number, because the mean of its divisors is an integer number (1047492000).

Almost surely, 2^213701534280 is an apocalyptic number.

213701534280 is a gapful number since it is divisible by the number (20) 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 213701534280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402236928000).

213701534280 is an abundant number, since it is smaller than the sum of its proper divisors (590772321720).

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

213701534280 is a wasteful number, since it uses less digits than its factorization.

213701534280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 213701534280 in words is "two hundred thirteen billion, seven hundred one million, five hundred thirty-four thousand, two hundred eighty".