104000040531 has 32 divisors (see below), whose sum is σ = 163957248000. Its totient is φ = 64926956160.

The previous prime is 104000040523. The next prime is 104000040563. The reversal of 104000040531 is 135040000401.

It is a happy number.

It is not a de Polignac number, because 104000040531 - 2³ = 104000040523 is a prime.

It is a super-2 number, since 2×104000040531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104000040581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477955 + ... + 660636.

It is an arithmetic number, because the mean of its divisors is an integer number (5123664000).

Almost surely, 2^104000040531 is an apocalyptic number.

104000040531 is a deficient number, since it is larger than the sum of its proper divisors (59957207469).

104000040531 is a wasteful number, since it uses less digits than its factorization.

104000040531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138816 (or 1138810 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 104000040531 its reverse (135040000401), we get a palindrome (239040040932).

The spelling of 104000040531 in words is "one hundred four billion, forty thousand, five hundred thirty-one".