1361352331 has 2 divisors, whose sum is σ = 1361352332. Its totient is φ = 1361352330.

The previous prime is 1361352323. The next prime is 1361352347. The reversal of 1361352331 is 1332531631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361352331 - 2³ = 1361352323 is a prime.

It is a super-2 number, since 2×1361352331² = 3706560338238267122, 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 1361352331.

It is not a weakly prime, because it can be changed into another prime (1361352361) 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, 680676165 + 680676166.

It is an arithmetic number, because the mean of its divisors is an integer number (680676166).

Almost surely, 2^1361352331 is an apocalyptic number.

1361352331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361352331 is an equidigital number, since it uses as much as digits as its factorization.

1361352331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 28.

The square root of 1361352331 is about 36896.5083849407. The cubic root of 1361352331 is about 1108.2987577181.

Adding to 1361352331 its reverse (1332531631), we get a palindrome (2693883962).

The spelling of 1361352331 in words is "one billion, three hundred sixty-one million, three hundred fifty-two thousand, three hundred thirty-one".