102342020030 has 96 divisors (see below), whose sum is σ = 193521405312. Its totient is φ = 38953175040.

The previous prime is 102342020029. The next prime is 102342020047. The reversal of 102342020030 is 30020243201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102342019990 and 102342020008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278860907 + ... + 278861273.

It is an arithmetic number, because the mean of its divisors is an integer number (2015847972).

Almost surely, 2^102342020030 is an apocalyptic number.

102342020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102342020030 is a deficient number, since it is larger than the sum of its proper divisors (91179385282).

102342020030 is a wasteful number, since it uses less digits than its factorization.

102342020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 102342020030 its reverse (30020243201), we get a palindrome (132362263231).

The spelling of 102342020030 in words is "one hundred two billion, three hundred forty-two million, twenty thousand, thirty".