231303102030 has 1152 divisors, whose sum is σ = 882833043456. Its totient is φ = 41194137600.

The previous prime is 231303102029. The next prime is 231303102061. The reversal of 231303102030 is 30201303132.

231303102030 is a `hidden beast` number, since 23 + 130 + 310 + 203 + 0 = 666.

It is a super-2 number, since 2×231303102030² (a number of 24 digits) contains 22 as substring.

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 = 231303101994 and 231303102012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 536665915 + ... + 536666345.

It is an arithmetic number, because the mean of its divisors is an integer number (766348128).

Almost surely, 2^231303102030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231303102030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441416521728).

231303102030 is an abundant number, since it is smaller than the sum of its proper divisors (651529941426).

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

231303102030 is a wasteful number, since it uses less digits than its factorization.

231303102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 532 counting only the distinct ones).

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

Adding to 231303102030 its reverse (30201303132), we get a palindrome (261504405162).

It can be divided in two parts, 231303 and 102030, that added together give a palindrome (333333).

The spelling of 231303102030 in words is "two hundred thirty-one billion, three hundred three million, one hundred two thousand, thirty".