104320215131 has 16 divisors (see below), whose sum is σ = 123437206368. Its totient is φ = 87080908800.

The previous prime is 104320215119. The next prime is 104320215163. The reversal of 104320215131 is 131512023401.

It is not a de Polignac number, because 104320215131 - 2¹⁸ = 104319952987 is a prime.

It is a super-2 number, since 2×104320215131² (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 = 104320215097 and 104320215106.

It is not an unprimeable number, because it can be changed into a prime (104320205131) 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 15 ways as a sum of consecutive naturals, for example, 6795530 + ... + 6810863.

It is an arithmetic number, because the mean of its divisors is an integer number (7714825398).

Almost surely, 2^104320215131 is an apocalyptic number.

104320215131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104320215131 is a deficient number, since it is larger than the sum of its proper divisors (19116991237).

104320215131 is a wasteful number, since it uses less digits than its factorization.

104320215131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13606462.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 104320215131 its reverse (131512023401), we get a palindrome (235832238532).

The spelling of 104320215131 in words is "one hundred four billion, three hundred twenty million, two hundred fifteen thousand, one hundred thirty-one".