100205241530431 has 4 divisors (see below), whose sum is σ = 105479201611000. Its totient is φ = 94931281449864.

The previous prime is 100205241530423. The next prime is 100205241530509. The reversal of 100205241530431 is 134035142502001.

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 100205241530431 - 2³ = 100205241530423 is a prime.

It is a super-2 number, since 2×100205241530431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100205241530393 and 100205241530402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100205241530231) 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, 2636980040256 + ... + 2636980040293.

It is an arithmetic number, because the mean of its divisors is an integer number (26369800402750).

Almost surely, 2^{100205241530431} is an apocalyptic number.

100205241530431 is a deficient number, since it is larger than the sum of its proper divisors (5273960080569).

100205241530431 is an equidigital number, since it uses as much as digits as its factorization.

100205241530431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273960080568.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 100205241530431 in words is "one hundred trillion, two hundred five billion, two hundred forty-one million, five hundred thirty thousand, four hundred thirty-one".