3113721761 has 8 divisors (see below), whose sum is σ = 3250364544. Its totient is φ = 2977184320.

The previous prime is 3113721749. The next prime is 3113721769. The reversal of 3113721761 is 1671273113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3113721761 - 2¹⁸ = 3113459617 is a prime.

It is a super-2 number, since 2×3113721761² = 19390526409849882242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113721769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37385 + ... + 87321.

It is an arithmetic number, because the mean of its divisors is an integer number (406295568).

Almost surely, 2^3113721761 is an apocalyptic number.

It is an amenable number.

3113721761 is a deficient number, since it is larger than the sum of its proper divisors (136642783).

3113721761 is a wasteful number, since it uses less digits than its factorization.

3113721761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52671.

The product of its digits is 5292, while the sum is 32.

The square root of 3113721761 is about 55800.7326206386. The cubic root of 3113721761 is about 1460.2479345311.

Adding to 3113721761 its reverse (1671273113), we get a palindrome (4784994874).

The spelling of 3113721761 in words is "three billion, one hundred thirteen million, seven hundred twenty-one thousand, seven hundred sixty-one".