100312143233 has 2 divisors, whose sum is σ = 100312143234. Its totient is φ = 100312143232.

The previous prime is 100312143229. The next prime is 100312143251. The reversal of 100312143233 is 332341213001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62374063504 + 37938079729 = 249748^2 + 194777^2 .

It is a cyclic number.

It is not a de Polignac number, because 100312143233 - 2² = 100312143229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100312143199 and 100312143208.

It is not a weakly prime, because it can be changed into another prime (100312143133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50156071616 + 50156071617.

It is an arithmetic number, because the mean of its divisors is an integer number (50156071617).

Almost surely, 2^100312143233 is an apocalyptic number.

It is an amenable number.

100312143233 is a deficient number, since it is larger than the sum of its proper divisors (1).

100312143233 is an equidigital number, since it uses as much as digits as its factorization.

100312143233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 100312143233 its reverse (332341213001), we get a palindrome (432653356234).

The spelling of 100312143233 in words is "one hundred billion, three hundred twelve million, one hundred forty-three thousand, two hundred thirty-three".