102566203431 has 8 divisors (see below), whose sum is σ = 138996822384. Its totient is φ = 67256526720.

The previous prime is 102566203423. The next prime is 102566203433. The reversal of 102566203431 is 134302665201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102566203431 - 2³ = 102566203423 is a prime.

It is a super-2 number, since 2×102566203431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102566203392 and 102566203401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102566203433) 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 7 ways as a sum of consecutive naturals, for example, 280235346 + ... + 280235711.

It is an arithmetic number, because the mean of its divisors is an integer number (17374602798).

Almost surely, 2^102566203431 is an apocalyptic number.

102566203431 is a deficient number, since it is larger than the sum of its proper divisors (36430618953).

102566203431 is an equidigital number, since it uses as much as digits as its factorization.

102566203431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560471121.

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

Adding to 102566203431 its reverse (134302665201), we get a palindrome (236868868632).

The spelling of 102566203431 in words is "one hundred two billion, five hundred sixty-six million, two hundred three thousand, four hundred thirty-one".