102503511343 has 4 divisors (see below), whose sum is σ = 102505662688. Its totient is φ = 102501360000.

The previous prime is 102503511323. The next prime is 102503511347. The reversal of 102503511343 is 343115305201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343115305201 = 3347 ⋅102514283.

It is a cyclic number.

It is not a de Polignac number, because 102503511343 - 2¹⁷ = 102503380271 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 (102503511347) 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, 1002546 + ... + 1100047.

It is an arithmetic number, because the mean of its divisors is an integer number (25626415672).

Almost surely, 2^102503511343 is an apocalyptic number.

102503511343 is a deficient number, since it is larger than the sum of its proper divisors (2151345).

102503511343 is an equidigital number, since it uses as much as digits as its factorization.

102503511343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151344.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 102503511343 its reverse (343115305201), we get a palindrome (445618816544).

The spelling of 102503511343 in words is "one hundred two billion, five hundred three million, five hundred eleven thousand, three hundred forty-three".