233220131130 has 128 divisors (see below), whose sum is σ = 644776151040. Its totient is φ = 52884161280.

The previous prime is 233220131129. The next prime is 233220131159. The reversal of 233220131130 is 31131022332.

It is a super-3 number, since 3×233220131130³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 233220131097 and 233220131106.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57998520 + ... + 58002540.

It is an arithmetic number, because the mean of its divisors is an integer number (5037313680).

Almost surely, 2^233220131130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233220131130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322388075520).

233220131130 is an abundant number, since it is smaller than the sum of its proper divisors (411556019910).

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

233220131130 is a wasteful number, since it uses less digits than its factorization.

233220131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 233220131130 its reverse (31131022332), we get a palindrome (264351153462).

The spelling of 233220131130 in words is "two hundred thirty-three billion, two hundred twenty million, one hundred thirty-one thousand, one hundred thirty".