1302331 has 2 divisors, whose sum is σ = 1302332. Its totient is φ = 1302330.

The previous prime is 1302313. The next prime is 1302347. The reversal of 1302331 is 1332031.

Together with previous prime (1302313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1302331 - 2¹¹ = 1300283 is a prime.

It is a super-2 number, since 2×1302331² = 3392132067122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1302391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651165 + 651166.

It is an arithmetic number, because the mean of its divisors is an integer number (651166).

2^1302331 is an apocalyptic number.

1302331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302331 is an equidigital number, since it uses as much as digits as its factorization.

1302331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1302331 is about 1141.1971784052. The cubic root of 1302331 is about 109.2044810695.

Adding to 1302331 its reverse (1332031), we get a palindrome (2634362).

The spelling of 1302331 in words is "one million, three hundred two thousand, three hundred thirty-one".