101310240502 has 4 divisors (see below), whose sum is σ = 151965360756. Its totient is φ = 50655120250.

The previous prime is 101310240491. The next prime is 101310240509. The reversal of 101310240502 is 205042013101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101310240502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101310240509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25327560124 + ... + 25327560127.

It is an arithmetic number, because the mean of its divisors is an integer number (37991340189).

Almost surely, 2^101310240502 is an apocalyptic number.

101310240502 is a deficient number, since it is larger than the sum of its proper divisors (50655120254).

101310240502 is an equidigital number, since it uses as much as digits as its factorization.

101310240502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50655120253.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 101310240502 its reverse (205042013101), we get a palindrome (306352253603).

The spelling of 101310240502 in words is "one hundred one billion, three hundred ten million, two hundred forty thousand, five hundred two".