213001303128 has 32 divisors (see below), whose sum is σ = 533587815360. Its totient is φ = 70855826720.

The previous prime is 213001303127. The next prime is 213001303171. The reversal of 213001303128 is 821303100312.

It is a super-2 number, since 2×213001303128² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 213001303098 and 213001303107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001303127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9025950 + ... + 9049517.

It is an arithmetic number, because the mean of its divisors is an integer number (16674619230).

Almost surely, 2^213001303128 is an apocalyptic number.

It is an amenable number.

213001303128 is an abundant number, since it is smaller than the sum of its proper divisors (320586512232).

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

213001303128 is a wasteful number, since it uses less digits than its factorization.

213001303128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18075967 (or 18075963 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 213001303128 in words is "two hundred thirteen billion, one million, three hundred three thousand, one hundred twenty-eight".