203221130130 has 96 divisors (see below), whose sum is σ = 564795504000. Its totient is φ = 50571797760.

The previous prime is 203221130113. The next prime is 203221130173. The reversal of 203221130130 is 31031122302.

203221130130 is a `hidden beast` number, since 2 + 0 + 322 + 11 + 301 + 30 = 666.

It is a super-3 number, since 3×203221130130³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1112380 + ... + 1282119.

It is an arithmetic number, because the mean of its divisors is an integer number (5883286500).

Almost surely, 2^203221130130 is an apocalyptic number.

203221130130 is an abundant number, since it is smaller than the sum of its proper divisors (361574373870).

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

203221130130 is a wasteful number, since it uses less digits than its factorization.

203221130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394576 (or 2394573 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203221130130 its reverse (31031122302), we get a palindrome (234252252432).

The spelling of 203221130130 in words is "two hundred three billion, two hundred twenty-one million, one hundred thirty thousand, one hundred thirty".