266102431 has 4 divisors (see below), whose sum is σ = 304117072. Its totient is φ = 228087792.

The previous prime is 266102413. The next prime is 266102437. The reversal of 266102431 is 134201662.

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

It is a cyclic number.

It is not a de Polignac number, because 266102431 - 2⁹ = 266101919 is a prime.

It is a super-2 number, since 2×266102431² = 141621007568219522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266102396 and 266102405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266102437) 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, 19007310 + ... + 19007323.

It is an arithmetic number, because the mean of its divisors is an integer number (76029268).

Almost surely, 2^266102431 is an apocalyptic number.

266102431 is a deficient number, since it is larger than the sum of its proper divisors (38014641).

266102431 is an equidigital number, since it uses as much as digits as its factorization.

266102431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38014640.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 266102431 is about 16312.6463518339. The cubic root of 266102431 is about 643.2052995557.

The spelling of 266102431 in words is "two hundred sixty-six million, one hundred two thousand, four hundred thirty-one".