182281331 has 2 divisors, whose sum is σ = 182281332. Its totient is φ = 182281330.

The previous prime is 182281321. The next prime is 182281381. The reversal of 182281331 is 133182281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 182281331 - 2¹⁴ = 182264947 is a prime.

It is a super-2 number, since 2×182281331² = 66452967262263122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 182281294 and 182281303.

It is not a weakly prime, because it can be changed into another prime (182281301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91140665 + 91140666.

It is an arithmetic number, because the mean of its divisors is an integer number (91140666).

Almost surely, 2^182281331 is an apocalyptic number.

182281331 is a deficient number, since it is larger than the sum of its proper divisors (1).

182281331 is an equidigital number, since it uses as much as digits as its factorization.

182281331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 182281331 is about 13501.1603575396. The cubic root of 182281331 is about 566.9969599626.

The spelling of 182281331 in words is "one hundred eighty-two million, two hundred eighty-one thousand, three hundred thirty-one".