231260512263 has 24 divisors (see below), whose sum is σ = 353663232384. Its totient is φ = 134064060240.

The previous prime is 231260512229. The next prime is 231260512277. The reversal of 231260512263 is 362215062132.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-231260512263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231260510263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13841245 + ... + 13857942.

It is an arithmetic number, because the mean of its divisors is an integer number (14735968016).

Almost surely, 2^231260512263 is an apocalyptic number.

231260512263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231260512263 is a deficient number, since it is larger than the sum of its proper divisors (122402720121).

231260512263 is a wasteful number, since it uses less digits than its factorization.

231260512263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27699235 (or 27699224 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 231260512263 its reverse (362215062132), we get a palindrome (593475574395).

The spelling of 231260512263 in words is "two hundred thirty-one billion, two hundred sixty million, five hundred twelve thousand, two hundred sixty-three".