100420214231 has 4 divisors (see below), whose sum is σ = 100421059992. Its totient is φ = 100419368472.

The previous prime is 100420214177. The next prime is 100420214269. The reversal of 100420214231 is 132412024001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 132412024001 = 41 ⋅3229561561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100420214231 is a prime.

It is a super-2 number, since 2×100420214231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420204231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208580 + ... + 494313.

It is an arithmetic number, because the mean of its divisors is an integer number (25105264998).

Almost surely, 2^100420214231 is an apocalyptic number.

100420214231 is a deficient number, since it is larger than the sum of its proper divisors (845761).

100420214231 is an equidigital number, since it uses as much as digits as its factorization.

100420214231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845760.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 100420214231 its reverse (132412024001), we get a palindrome (232832238232).

The spelling of 100420214231 in words is "one hundred billion, four hundred twenty million, two hundred fourteen thousand, two hundred thirty-one".