202401131 has 2 divisors, whose sum is σ = 202401132. Its totient is φ = 202401130.

The previous prime is 202401113. The next prime is 202401151. The reversal of 202401131 is 131104202.

Together with previous prime (202401113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202401131 - 2¹⁴ = 202384747 is a prime.

It is a super-2 number, since 2×202401131² = 81932435660158322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202401151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101200565 + 101200566.

It is an arithmetic number, because the mean of its divisors is an integer number (101200566).

Almost surely, 2^202401131 is an apocalyptic number.

202401131 is a deficient number, since it is larger than the sum of its proper divisors (1).

202401131 is an equidigital number, since it uses as much as digits as its factorization.

202401131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 202401131 is about 14226.7751440725. The cubic root of 202401131 is about 587.1345604818.

Adding to 202401131 its reverse (131104202), we get a palindrome (333505333).

The spelling of 202401131 in words is "two hundred two million, four hundred one thousand, one hundred thirty-one".