102420223431 has 8 divisors (see below), whose sum is σ = 136561776624. Its totient is φ = 68279409600.

The previous prime is 102420223421. The next prime is 102420223453. The reversal of 102420223431 is 134322024201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102420223431 - 2¹¹ = 102420221383 is a prime.

It is a super-2 number, since 2×102420223431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102420223421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444465 + ... + 634341.

It is an arithmetic number, because the mean of its divisors is an integer number (17070222078).

Almost surely, 2^102420223431 is an apocalyptic number.

102420223431 is a deficient number, since it is larger than the sum of its proper divisors (34141553193).

102420223431 is a wasteful number, since it uses less digits than its factorization.

102420223431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369681.

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

Adding to 102420223431 its reverse (134322024201), we get a palindrome (236742247632).

The spelling of 102420223431 in words is "one hundred two billion, four hundred twenty million, two hundred twenty-three thousand, four hundred thirty-one".