3117420365 has 4 divisors (see below), whose sum is σ = 3740904444. Its totient is φ = 2493936288.

The previous prime is 3117420349. The next prime is 3117420403. The reversal of 3117420365 is 5630247113.

3117420365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1504353796 + 1613066569 = 38786^2 + 40163^2 .

It is a cyclic number.

It is not a de Polignac number, because 3117420365 - 2⁴ = 3117420349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311742032 + ... + 311742041.

It is an arithmetic number, because the mean of its divisors is an integer number (935226111).

Almost surely, 2^3117420365 is an apocalyptic number.

It is an amenable number.

3117420365 is a deficient number, since it is larger than the sum of its proper divisors (623484079).

3117420365 is an equidigital number, since it uses as much as digits as its factorization.

3117420365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623484078.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3117420365 is about 55833.8639626526. The cubic root of 3117420365 is about 1460.8258861718.

Adding to 3117420365 its reverse (5630247113), we get a palindrome (8747667478).

The spelling of 3117420365 in words is "three billion, one hundred seventeen million, four hundred twenty thousand, three hundred sixty-five".