102431403503 has 16 divisors (see below), whose sum is σ = 121987483296. Its totient is φ = 84778928640.

The previous prime is 102431403499. The next prime is 102431403517. The reversal of 102431403503 is 305304134201.

It is a cyclic number.

It is not a de Polignac number, because 102431403503 - 2² = 102431403499 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 (102431403533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4895750 + ... + 4916627.

It is an arithmetic number, because the mean of its divisors is an integer number (7624217706).

Almost surely, 2^102431403503 is an apocalyptic number.

102431403503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102431403503 is a deficient number, since it is larger than the sum of its proper divisors (19556079793).

102431403503 is a wasteful number, since it uses less digits than its factorization.

102431403503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812474.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 102431403503 its reverse (305304134201), we get a palindrome (407735537704).

The spelling of 102431403503 in words is "one hundred two billion, four hundred thirty-one million, four hundred three thousand, five hundred three".