231112520204234 has 8 divisors (see below), whose sum is σ = 346669175788068. Its totient is φ = 115556128274880.

The previous prime is 231112520204219. The next prime is 231112520204257. The reversal of 231112520204234 is 432402025211132.

It can be written as a sum of positive squares in 2 ways, for example, as 161448407875225 + 69664112329009 = 12706235^2 + 8346503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231112520204234² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231112520204234.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63707417 + ... + 67237340.

Almost surely, 2^{231112520204234} is an apocalyptic number.

231112520204234 is a deficient number, since it is larger than the sum of its proper divisors (115556655583834).

231112520204234 is a wasteful number, since it uses less digits than its factorization.

231112520204234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131827240.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 231112520204234 its reverse (432402025211132), we get a palindrome (663514545415366).

The spelling of 231112520204234 in words is "two hundred thirty-one trillion, one hundred twelve billion, five hundred twenty million, two hundred four thousand, two hundred thirty-four".