231143041115 has 64 divisors (see below), whose sum is σ = 330869919744. Its totient is φ = 151727966208.

The previous prime is 231143041081. The next prime is 231143041127. The reversal of 231143041115 is 511140341132.

It is not a de Polignac number, because 231143041115 - 2¹⁶ = 231142975579 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29377412 + ... + 29385278.

It is an arithmetic number, because the mean of its divisors is an integer number (5169842496).

Almost surely, 2^231143041115 is an apocalyptic number.

231143041115 is a deficient number, since it is larger than the sum of its proper divisors (99726878629).

231143041115 is a wasteful number, since it uses less digits than its factorization.

231143041115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 231143041115 its reverse (511140341132), we get a palindrome (742283382247).

The spelling of 231143041115 in words is "two hundred thirty-one billion, one hundred forty-three million, forty-one thousand, one hundred fifteen".