326115131 has 8 divisors (see below), whose sum is σ = 345633984. Its totient is φ = 306633600.

The previous prime is 326115109. The next prime is 326115173. The reversal of 326115131 is 131511623.

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 326115131 - 2¹⁸ = 325852987 is a prime.

It is a super-2 number, since 2×326115131² = 212702157334294322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 326115097 and 326115106.

It is not an unprimeable number, because it can be changed into a prime (326115191) 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, 9806 + ... + 27356.

It is an arithmetic number, because the mean of its divisors is an integer number (43204248).

Almost surely, 2^326115131 is an apocalyptic number.

326115131 is a deficient number, since it is larger than the sum of its proper divisors (19518853).

326115131 is a wasteful number, since it uses less digits than its factorization.

326115131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18661.

The product of its digits is 540, while the sum is 23.

The square root of 326115131 is about 18058.6580619934. The cubic root of 326115131 is about 688.3198855834.

Adding to 326115131 its reverse (131511623), we get a palindrome (457626754).

The spelling of 326115131 in words is "three hundred twenty-six million, one hundred fifteen thousand, one hundred thirty-one".