104145322531 has 4 divisors (see below), whose sum is σ = 110271517992. Its totient is φ = 98019127072.

The previous prime is 104145322513. The next prime is 104145322583. The reversal of 104145322531 is 135223541401.

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 104145322531 - 2⁷ = 104145322403 is a prime.

It is a super-2 number, since 2×104145322531² (a number of 23 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 = 104145322493 and 104145322502.

It is not an unprimeable number, because it can be changed into a prime (104145322511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3063097705 + ... + 3063097738.

It is an arithmetic number, because the mean of its divisors is an integer number (27567879498).

Almost surely, 2^104145322531 is an apocalyptic number.

104145322531 is a deficient number, since it is larger than the sum of its proper divisors (6126195461).

104145322531 is an equidigital number, since it uses as much as digits as its factorization.

104145322531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126195460.

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

Adding to 104145322531 its reverse (135223541401), we get a palindrome (239368863932).

The spelling of 104145322531 in words is "one hundred four billion, one hundred forty-five million, three hundred twenty-two thousand, five hundred thirty-one".