102342031230040 has 64 divisors (see below), whose sum is σ = 278645530420800. Its totient is φ = 33024655454208.

The previous prime is 102342031230031. The next prime is 102342031230059. The reversal of 102342031230040 is 40032130243201.

It is a junction number, because it is equal to n+sod(n) for n = 102342031229987 and 102342031230014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10750208605 + ... + 10750218124.

It is an arithmetic number, because the mean of its divisors is an integer number (4353836412825).

Almost surely, 2^{102342031230040} is an apocalyptic number.

102342031230040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102342031230040 is an abundant number, since it is smaller than the sum of its proper divisors (176303499190760).

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

102342031230040 is a wasteful number, since it uses less digits than its factorization.

102342031230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21500426764 (or 21500426760 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 102342031230040 its reverse (40032130243201), we get a palindrome (142374161473241).

The spelling of 102342031230040 in words is "one hundred two trillion, three hundred forty-two billion, thirty-one million, two hundred thirty thousand, forty".