73105131 has 8 divisors (see below), whose sum is σ = 106334784. Its totient is φ = 44306120.

The previous prime is 73105093. The next prime is 73105133. The reversal of 73105131 is 13150137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73105131 - 2⁷ = 73105003 is a prime.

It is a super-2 number, since 2×73105131² = 10688720357054322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73105098 and 73105107.

It is not an unprimeable number, because it can be changed into a prime (73105133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107621 + ... + 1107686.

It is an arithmetic number, because the mean of its divisors is an integer number (13291848).

Almost surely, 2^73105131 is an apocalyptic number.

73105131 is a deficient number, since it is larger than the sum of its proper divisors (33229653).

73105131 is a wasteful number, since it uses less digits than its factorization.

73105131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215321.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 73105131 is about 8550.1538582648. The cubic root of 73105131 is about 418.1344526765.

Adding to 73105131 its reverse (13150137), we get a palindrome (86255268).

The spelling of 73105131 in words is "seventy-three million, one hundred five thousand, one hundred thirty-one".