262433561231 has 4 divisors (see below), whose sum is σ = 267385137912. Its totient is φ = 257481984552.

The previous prime is 262433561213. The next prime is 262433561239. The reversal of 262433561231 is 132165334262.

262433561231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262433561231 is a prime.

It is a super-2 number, since 2×262433561231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262433561239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2475788261 + ... + 2475788366.

It is an arithmetic number, because the mean of its divisors is an integer number (66846284478).

Almost surely, 2^262433561231 is an apocalyptic number.

262433561231 is a deficient number, since it is larger than the sum of its proper divisors (4951576681).

262433561231 is an equidigital number, since it uses as much as digits as its factorization.

262433561231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951576680.

The product of its digits is 155520, while the sum is 38.

Adding to 262433561231 its reverse (132165334262), we get a palindrome (394598895493).

The spelling of 262433561231 in words is "two hundred sixty-two billion, four hundred thirty-three million, five hundred sixty-one thousand, two hundred thirty-one".