231133130030 has 32 divisors (see below), whose sum is σ = 453881581920. Its totient is φ = 84044677120.

The previous prime is 231133130027. The next prime is 231133130083. The reversal of 231133130030 is 30031331132.

It is a junction number, because it is equal to n+sod(n) for n = 231133129984 and 231133130011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4140062 + ... + 4195518.

It is an arithmetic number, because the mean of its divisors is an integer number (14183799435).

Almost surely, 2^231133130030 is an apocalyptic number.

231133130030 is a deficient number, since it is larger than the sum of its proper divisors (222748451890).

231133130030 is a wasteful number, since it uses less digits than its factorization.

231133130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93364.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 231133130030 its reverse (30031331132), we get a palindrome (261164461162).

It can be divided in two parts, 231133 and 130030, that added together give a palindrome (361163).

The spelling of 231133130030 in words is "two hundred thirty-one billion, one hundred thirty-three million, one hundred thirty thousand, thirty".