42882131 has 2 divisors, whose sum is σ = 42882132. Its totient is φ = 42882130.

The previous prime is 42882127. The next prime is 42882167. The reversal of 42882131 is 13128824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42882131 - 2² = 42882127 is a prime.

It is a super-2 number, since 2×42882131² = 3677754318202322, 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 = 42882094 and 42882103.

It is not a weakly prime, because it can be changed into another prime (42882101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21441065 + 21441066.

It is an arithmetic number, because the mean of its divisors is an integer number (21441066).

Almost surely, 2^42882131 is an apocalyptic number.

42882131 is a deficient number, since it is larger than the sum of its proper divisors (1).

42882131 is an equidigital number, since it uses as much as digits as its factorization.

42882131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

The square root of 42882131 is about 6548.4449299051. Note that the first 3 decimals coincide. The cubic root of 42882131 is about 350.0194030060.

The spelling of 42882131 in words is "forty-two million, eight hundred eighty-two thousand, one hundred thirty-one".