102420302310321 has 32 divisors (see below), whose sum is σ = 155075310311040. Its totient is φ = 59732712059904.

The previous prime is 102420302310239. The next prime is 102420302310323. The reversal of 102420302310321 is 123013203024201.

It is not a de Polignac number, because 102420302310321 - 2¹¹ = 102420302308273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102420302310291 and 102420302310300.

It is not an unprimeable number, because it can be changed into a prime (102420302310323) 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, 997089270 + ... + 997191983.

It is an arithmetic number, because the mean of its divisors is an integer number (4846103447220).

Almost surely, 2^{102420302310321} is an apocalyptic number.

It is an amenable number.

102420302310321 is a deficient number, since it is larger than the sum of its proper divisors (52655008000719).

102420302310321 is a wasteful number, since it uses less digits than its factorization.

102420302310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994281345.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 102420302310321 its reverse (123013203024201), we get a palindrome (225433505334522).

The spelling of 102420302310321 in words is "one hundred two trillion, four hundred twenty billion, three hundred two million, three hundred ten thousand, three hundred twenty-one".