231030123030 has 96 divisors (see below), whose sum is σ = 700499592000. Its totient is φ = 52806878208.

The previous prime is 231030123013. The next prime is 231030123053. The reversal of 231030123030 is 30321030132.

231030123030 is a `hidden beast` number, since 2 + 310 + 301 + 23 + 0 + 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 = 231030122994 and 231030123012.

It is a congruent number.

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, 3711115 + ... + 3772854.

It is an arithmetic number, because the mean of its divisors is an integer number (7296870750).

Almost surely, 2^231030123030 is an apocalyptic number.

231030123030 is an abundant number, since it is smaller than the sum of its proper divisors (469469468970).

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

231030123030 is a wasteful number, since it uses less digits than its factorization.

231030123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484003 (or 7483986 counting only the distinct ones).

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

Adding to 231030123030 its reverse (30321030132), we get a palindrome (261351153162).

The spelling of 231030123030 in words is "two hundred thirty-one billion, thirty million, one hundred twenty-three thousand, thirty".