100120301231 has 4 divisors (see below), whose sum is σ = 100283630232. Its totient is φ = 99956972232.

The previous prime is 100120301213. The next prime is 100120301233. The reversal of 100120301231 is 132103021001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100120301231 - 2¹⁸ = 100120039087 is a prime.

It is a super-2 number, since 2×100120301231² (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 (100120301233) 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, 81663581 + ... + 81664806.

It is an arithmetic number, because the mean of its divisors is an integer number (25070907558).

Almost surely, 2^100120301231 is an apocalyptic number.

100120301231 is a deficient number, since it is larger than the sum of its proper divisors (163329001).

100120301231 is an equidigital number, since it uses as much as digits as its factorization.

100120301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163329000.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100120301231 its reverse (132103021001), we get a palindrome (232223322232).

The spelling of 100120301231 in words is "one hundred billion, one hundred twenty million, three hundred one thousand, two hundred thirty-one".