3121341651 has 6 divisors (see below), whose sum is σ = 4508604620. Its totient is φ = 2080894428.

The previous prime is 3121341631. The next prime is 3121341653. The reversal of 3121341651 is 1561431213.

It is a happy number.

3121341651 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 3 + 4 + 1 + 651 = 666.

It is not a de Polignac number, because 3121341651 - 2¹³ = 3121333459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121341653) 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 5 ways as a sum of consecutive naturals, for example, 173407861 + ... + 173407878.

Almost surely, 2^3121341651 is an apocalyptic number.

3121341651 is a deficient number, since it is larger than the sum of its proper divisors (1387262969).

3121341651 is a wasteful number, since it uses less digits than its factorization.

3121341651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346815745 (or 346815742 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 3121341651 is about 55868.9685872220. The cubic root of 3121341651 is about 1461.4381355416.

Adding to 3121341651 its reverse (1561431213), we get a palindrome (4682772864).

The spelling of 3121341651 in words is "three billion, one hundred twenty-one million, three hundred forty-one thousand, six hundred fifty-one".