10102320503 has 4 divisors (see below), whose sum is σ = 11020713288. Its totient is φ = 9183927720.

The previous prime is 10102320469. The next prime is 10102320551. The reversal of 10102320503 is 30502320101.

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

It is not a de Polignac number, because 10102320503 - 2³² = 5807353207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102320563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459196376 + ... + 459196397.

It is an arithmetic number, because the mean of its divisors is an integer number (2755178322).

Almost surely, 2^10102320503 is an apocalyptic number.

10102320503 is a deficient number, since it is larger than the sum of its proper divisors (918392785).

10102320503 is an equidigital number, since it uses as much as digits as its factorization.

10102320503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918392784.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 10102320503 its reverse (30502320101), we get a palindrome (40604640604).

The spelling of 10102320503 in words is "ten billion, one hundred two million, three hundred twenty thousand, five hundred three".