231110133203030 has 16 divisors (see below), whose sum is σ = 415998599645664. Its totient is φ = 92443973307840.

The previous prime is 231110133202997. The next prime is 231110133203039. The reversal of 231110133203030 is 30302331011132.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231110133202987 and 231110133203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231110133203039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937554 + ... + 21699066.

It is an arithmetic number, because the mean of its divisors is an integer number (25999912477854).

Almost surely, 2^{231110133203030} is an apocalyptic number.

231110133203030 is a deficient number, since it is larger than the sum of its proper divisors (184888466442634).

231110133203030 is a wasteful number, since it uses less digits than its factorization.

231110133203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19993351.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231110133203030 its reverse (30302331011132), we get a palindrome (261412464214162).

The spelling of 231110133203030 in words is "two hundred thirty-one trillion, one hundred ten billion, one hundred thirty-three million, two hundred three thousand, thirty".