102503511342 has 64 divisors (see below), whose sum is σ = 235845150720. Its totient is φ = 32965574400.

The previous prime is 102503511323. The next prime is 102503511347. The reversal of 102503511342 is 243115305201.

102503511342 is a `hidden beast` number, since 1 + 0 + 2 + 503 + 5 + 113 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 461598 + ... + 646590.

It is an arithmetic number, because the mean of its divisors is an integer number (3685080480).

Almost surely, 2^102503511342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102503511342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117922575360).

102503511342 is an abundant number, since it is smaller than the sum of its proper divisors (133341639378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102503511342 is a wasteful number, since it uses less digits than its factorization.

102503511342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185366 (or 185360 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 102503511342 its reverse (243115305201), we get a palindrome (345618816543).

The spelling of 102503511342 in words is "one hundred two billion, five hundred three million, five hundred eleven thousand, three hundred forty-two".