365220131 has 2 divisors, whose sum is σ = 365220132. Its totient is φ = 365220130.

The previous prime is 365220103. The next prime is 365220139. The reversal of 365220131 is 131022563.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 365220131 - 2⁶ = 365220067 is a prime.

It is a super-2 number, since 2×365220131² = 266771488175314322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 365220097 and 365220106.

It is not a weakly prime, because it can be changed into another prime (365220139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182610065 + 182610066.

It is an arithmetic number, because the mean of its divisors is an integer number (182610066).

Almost surely, 2^365220131 is an apocalyptic number.

365220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

365220131 is an equidigital number, since it uses as much as digits as its factorization.

365220131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 365220131 is about 19110.7333977532. The cubic root of 365220131 is about 714.8005905514.

Adding to 365220131 its reverse (131022563), we get a palindrome (496242694).

The spelling of 365220131 in words is "three hundred sixty-five million, two hundred twenty thousand, one hundred thirty-one".