223131402030 has 128 divisors (see below), whose sum is σ = 577436428800. Its totient is φ = 54975135744.

The previous prime is 223131402023. The next prime is 223131402059. The reversal of 223131402030 is 30204131322.

It is a super-3 number, since 3×223131402030³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223131401988 and 223131402006.

It is a congruent number.

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, 23134389 + ... + 23144031.

It is an arithmetic number, because the mean of its divisors is an integer number (4511222100).

Almost surely, 2^223131402030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223131402030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288718214400).

223131402030 is an abundant number, since it is smaller than the sum of its proper divisors (354305026770).

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

223131402030 is a wasteful number, since it uses less digits than its factorization.

223131402030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223131402030 its reverse (30204131322), we get a palindrome (253335533352).

The spelling of 223131402030 in words is "two hundred twenty-three billion, one hundred thirty-one million, four hundred two thousand, thirty".