231200500514045 has 4 divisors (see below), whose sum is σ = 277440600616860. Its totient is φ = 184960400411232.

The previous prime is 231200500513999. The next prime is 231200500514083. The reversal of 231200500514045 is 540415005002132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68187511850329 + 163012988663716 = 8257573^2 + 12767654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231200500514045 is a prime.

It is a Curzon number.

It is a congruent number.

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, 23120050051400 + ... + 23120050051409.

It is an arithmetic number, because the mean of its divisors is an integer number (69360150154215).

Almost surely, 2^{231200500514045} is an apocalyptic number.

It is an amenable number.

231200500514045 is a deficient number, since it is larger than the sum of its proper divisors (46240100102815).

231200500514045 is an equidigital number, since it uses as much as digits as its factorization.

231200500514045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46240100102814.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 231200500514045 its reverse (540415005002132), we get a palindrome (771615505516177).

The spelling of 231200500514045 in words is "two hundred thirty-one trillion, two hundred billion, five hundred million, five hundred fourteen thousand, forty-five".