100444422440431 has 4 divisors (see below), whose sum is σ = 102581537811552. Its totient is φ = 98307307069312.

The previous prime is 100444422440429. The next prime is 100444422440437. The reversal of 100444422440431 is 134044224444001.

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 100444422440431 - 2¹ = 100444422440429 is a prime.

It is a super-2 number, since 2×100444422440431² (a number of 29 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 (100444422440437) 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, 1068557685490 + ... + 1068557685583.

It is an arithmetic number, because the mean of its divisors is an integer number (25645384452888).

Almost surely, 2^{100444422440431} is an apocalyptic number.

100444422440431 is a deficient number, since it is larger than the sum of its proper divisors (2137115371121).

100444422440431 is an equidigital number, since it uses as much as digits as its factorization.

100444422440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137115371120.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 100444422440431 its reverse (134044224444001), we get a palindrome (234488646884432).

The spelling of 100444422440431 in words is "one hundred trillion, four hundred forty-four billion, four hundred twenty-two million, four hundred forty thousand, four hundred thirty-one".