368131 has 4 divisors (see below), whose sum is σ = 369352. Its totient is φ = 366912.

The previous prime is 368129. The next prime is 368141. The reversal of 368131 is 131863.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 131863 = 29 ⋅4547.

It is a cyclic number.

It is not a de Polignac number, because 368131 - 2^{1} = 368129 is a prime.

It is a super-2 number, since 2×368131^{2} = 271040866322, which contains 22 as substring.

It is a Duffinian number.

368131 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (368111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (92338).

2^{368131} is an apocalyptic number.

368131 is a deficient number, since it is larger than the sum of its proper divisors (1221).

368131 is an equidigital number, since it uses as much as digits as its factorization.

368131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its digits is 432, while the sum is 22.

The square root of 368131 is about 606.7379994693. The cubic root of 368131 is about 71.6694596592.

Adding to 368131 its reverse (131863), we get a palindrome (499994).

The spelling of 368131 in words is "three hundred sixty-eight thousand, one hundred thirty-one".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.149 sec. • engine limits •