100342303021 has 16 divisors (see below), whose sum is σ = 111143556864. Its totient is φ = 90106055424.

The previous prime is 100342303003. The next prime is 100342303027. The reversal of 100342303021 is 120303243001.

It is a cyclic number.

It is not a de Polignac number, because 100342303021 - 2⁵ = 100342302989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100342303021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100342303027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167985 + ... + 478438.

It is an arithmetic number, because the mean of its divisors is an integer number (6946472304).

Almost surely, 2^100342303021 is an apocalyptic number.

It is an amenable number.

100342303021 is a deficient number, since it is larger than the sum of its proper divisors (10801253843).

100342303021 is a wasteful number, since it uses less digits than its factorization.

100342303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646860.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 100342303021 its reverse (120303243001), we get a palindrome (220645546022).

The spelling of 100342303021 in words is "one hundred billion, three hundred forty-two million, three hundred three thousand, twenty-one".