283457131 has 2 divisors, whose sum is σ = 283457132. Its totient is φ = 283457130.

The previous prime is 283457113. The next prime is 283457159. The reversal of 283457131 is 131754382.

Together with previous prime (283457113) 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 283457131 - 2⁷ = 283457003 is a prime.

It is a super-2 number, since 2×283457131² = 160695890229502322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (283457191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141728565 + 141728566.

It is an arithmetic number, because the mean of its divisors is an integer number (141728566).

Almost surely, 2^283457131 is an apocalyptic number.

283457131 is a deficient number, since it is larger than the sum of its proper divisors (1).

283457131 is an equidigital number, since it uses as much as digits as its factorization.

283457131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 283457131 is about 16836.1851676679. The cubic root of 283457131 is about 656.8947572142.

The spelling of 283457131 in words is "two hundred eighty-three million, four hundred fifty-seven thousand, one hundred thirty-one".