231030231030 has 192 divisors, whose sum is σ = 646628800896. Its totient is φ = 57024000000.

The previous prime is 231030231011. The next prime is 231030231041. The reversal of 231030231030 is 30132030132.

231030231030 is a `hidden beast` number, since 23 + 1 + 0 + 302 + 310 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 231030230994 and 231030231012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23329080 + ... + 23338980.

It is an arithmetic number, because the mean of its divisors is an integer number (3367858338).

Almost surely, 2^231030231030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231030231030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323314400448).

231030231030 is an abundant number, since it is smaller than the sum of its proper divisors (415598569866).

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

231030231030 is a wasteful number, since it uses less digits than its factorization.

231030231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183 (or 10180 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 231030231030 its reverse (30132030132), we get a palindrome (261162261162).

The spelling of 231030231030 in words is "two hundred thirty-one billion, thirty million, two hundred thirty-one thousand, thirty".