3113135143661 has 4 divisors (see below), whose sum is σ = 3171873542652. Its totient is φ = 3054396744672.

The previous prime is 3113135143637. The next prime is 3113135143667. The reversal of 3113135143661 is 1663415313113.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1759854294025 + 1353280849636 = 1326595^2 + 1163306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113135143661 is a prime.

It is a super-2 number, since 2×3113135143661² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113135143667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29369199416 + ... + 29369199521.

It is an arithmetic number, because the mean of its divisors is an integer number (792968385663).

Almost surely, 2^{3113135143661} is an apocalyptic number.

It is an amenable number.

3113135143661 is a deficient number, since it is larger than the sum of its proper divisors (58738398991).

3113135143661 is an equidigital number, since it uses as much as digits as its factorization.

3113135143661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58738398990.

The product of its digits is 58320, while the sum is 38.

The spelling of 3113135143661 in words is "three trillion, one hundred thirteen billion, one hundred thirty-five million, one hundred forty-three thousand, six hundred sixty-one".