102852740631 has 4 divisors (see below), whose sum is σ = 137136987512. Its totient is φ = 68568493752.

The previous prime is 102852740629. The next prime is 102852740651. The reversal of 102852740631 is 136047258201.

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

It is not a de Polignac number, because 102852740631 - 2¹ = 102852740629 is a prime.

It is a super-2 number, since 2×102852740631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102852740631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102852740651) 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 3 ways as a sum of consecutive naturals, for example, 17142123436 + ... + 17142123441.

It is an arithmetic number, because the mean of its divisors is an integer number (34284246878).

Almost surely, 2^102852740631 is an apocalyptic number.

102852740631 is a deficient number, since it is larger than the sum of its proper divisors (34284246881).

102852740631 is an equidigital number, since it uses as much as digits as its factorization.

102852740631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34284246880.

The product of its (nonzero) digits is 80640, while the sum is 39.

Adding to 102852740631 its reverse (136047258201), we get a palindrome (238899998832).

The spelling of 102852740631 in words is "one hundred two billion, eight hundred fifty-two million, seven hundred forty thousand, six hundred thirty-one".