1361706311 has 4 divisors (see below), whose sum is σ = 1556235792. Its totient is φ = 1167176832.

The previous prime is 1361706299. The next prime is 1361706323. The reversal of 1361706311 is 1136071631.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1361706299) and next prime (1361706323).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361706311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361709311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97264730 + ... + 97264743.

It is an arithmetic number, because the mean of its divisors is an integer number (389058948).

Almost surely, 2^1361706311 is an apocalyptic number.

1361706311 is a deficient number, since it is larger than the sum of its proper divisors (194529481).

1361706311 is an equidigital number, since it uses as much as digits as its factorization.

1361706311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194529480.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1361706311 is about 36901.3050040239. The cubic root of 1361706311 is about 1108.3948096578.

Adding to 1361706311 its reverse (1136071631), we get a palindrome (2497777942).

The spelling of 1361706311 in words is "one billion, three hundred sixty-one million, seven hundred six thousand, three hundred eleven".