308241131 has 8 divisors (see below), whose sum is σ = 336390384. Its totient is φ = 280113120.

The previous prime is 308241103. The next prime is 308241133. The reversal of 308241131 is 131142803.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-308241131 is a prime.

It is a super-2 number, since 2×308241131² = 190025189680318322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 308241097 and 308241106.

It is not an unprimeable number, because it can be changed into a prime (308241133) 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 7 ways as a sum of consecutive naturals, for example, 51701 + ... + 57353.

It is an arithmetic number, because the mean of its divisors is an integer number (42048798).

Almost surely, 2^308241131 is an apocalyptic number.

308241131 is a deficient number, since it is larger than the sum of its proper divisors (28149253).

308241131 is a wasteful number, since it uses less digits than its factorization.

308241131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 308241131 is about 17556.7972876604. The cubic root of 308241131 is about 675.5075330589.

Adding to 308241131 its reverse (131142803), we get a palindrome (439383934).

The spelling of 308241131 in words is "three hundred eight million, two hundred forty-one thousand, one hundred thirty-one".