102420031344 has 80 divisors (see below), whose sum is σ = 269333952000. Its totient is φ = 33531176448.

The previous prime is 102420031339. The next prime is 102420031391. The reversal of 102420031344 is 443130024201.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 776307 + ... + 898605.

It is an arithmetic number, because the mean of its divisors is an integer number (3366674400).

Almost surely, 2^102420031344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102420031344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134666976000).

102420031344 is an abundant number, since it is smaller than the sum of its proper divisors (166913920656).

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

102420031344 is a wasteful number, since it uses less digits than its factorization.

102420031344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122622 (or 122616 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 102420031344 its reverse (443130024201), we get a palindrome (545550055545).

The spelling of 102420031344 in words is "one hundred two billion, four hundred twenty million, thirty-one thousand, three hundred forty-four".