104445433431 has 12 divisors (see below), whose sum is σ = 150879736800. Its totient is φ = 69623776320.

The previous prime is 104445433409. The next prime is 104445433439. The reversal of 104445433431 is 134334544401.

104445433431 is a `hidden beast` number, since 10 + 4 + 44 + 543 + 34 + 31 = 666.

It is not a de Polignac number, because 104445433431 - 2⁷ = 104445433303 is a prime.

It is a super-2 number, since 2×104445433431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104445433439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440130 + ... + 634511.

It is an arithmetic number, because the mean of its divisors is an integer number (12573311400).

Almost surely, 2^104445433431 is an apocalyptic number.

104445433431 is a deficient number, since it is larger than the sum of its proper divisors (46434303369).

104445433431 is a wasteful number, since it uses less digits than its factorization.

104445433431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085446 (or 1085443 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 104445433431 its reverse (134334544401), we get a palindrome (238779977832).

The spelling of 104445433431 in words is "one hundred four billion, four hundred forty-five million, four hundred thirty-three thousand, four hundred thirty-one".