100131012330233 has 4 divisors (see below), whose sum is σ = 100132837029540. Its totient is φ = 100129187630928.

The previous prime is 100131012330191. The next prime is 100131012330257. The reversal of 100131012330233 is 332033210131001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99555435196009 + 575577134224 = 9977747^2 + 758668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100131012330233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100131012330199 and 100131012330208.

It is not an unprimeable number, because it can be changed into a prime (100131012330533) 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, 912267338 + ... + 912377091.

It is an arithmetic number, because the mean of its divisors is an integer number (25033209257385).

Almost surely, 2^{100131012330233} is an apocalyptic number.

It is an amenable number.

100131012330233 is a deficient number, since it is larger than the sum of its proper divisors (1824699307).

100131012330233 is an equidigital number, since it uses as much as digits as its factorization.

100131012330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824699306.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 100131012330233 its reverse (332033210131001), we get a palindrome (432164222461234).

The spelling of 100131012330233 in words is "one hundred trillion, one hundred thirty-one billion, twelve million, three hundred thirty thousand, two hundred thirty-three".