375161131 has 2 divisors, whose sum is σ = 375161132. Its totient is φ = 375161130.

The previous prime is 375161113. The next prime is 375161173. The reversal of 375161131 is 131161573.

Together with previous prime (375161113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (131161573) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375161131 is a prime.

It is a super-2 number, since 2×375161131² = 281491748426398322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 375161131.

It is not a weakly prime, because it can be changed into another prime (375161431) 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, 187580565 + 187580566.

It is an arithmetic number, because the mean of its divisors is an integer number (187580566).

Almost surely, 2^375161131 is an apocalyptic number.

375161131 is a deficient number, since it is larger than the sum of its proper divisors (1).

375161131 is an equidigital number, since it uses as much as digits as its factorization.

375161131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 28.

The square root of 375161131 is about 19369.0766687522. The cubic root of 375161131 is about 721.2280553042.

The spelling of 375161131 in words is "three hundred seventy-five million, one hundred sixty-one thousand, one hundred thirty-one".