3121312413 has 8 divisors (see below), whose sum is σ = 4182664000. Its totient is φ = 2070417888.

The previous prime is 3121312391. The next prime is 3121312429. The reversal of 3121312413 is 3142131213.

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

It is not a de Polignac number, because 3121312413 - 2³⁰ = 2047570589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3121312413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121312483) 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 7 ways as a sum of consecutive naturals, for example, 2613568 + ... + 2614761.

It is an arithmetic number, because the mean of its divisors is an integer number (522833000).

Almost surely, 2^3121312413 is an apocalyptic number.

It is an amenable number.

3121312413 is a deficient number, since it is larger than the sum of its proper divisors (1061351587).

3121312413 is a wasteful number, since it uses less digits than its factorization.

3121312413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228531.

The product of its digits is 432, while the sum is 21.

The square root of 3121312413 is about 55868.7069207799. The cubic root of 3121312413 is about 1461.4335723690.

Adding to 3121312413 its reverse (3142131213), we get a palindrome (6263443626).

The spelling of 3121312413 in words is "three billion, one hundred twenty-one million, three hundred twelve thousand, four hundred thirteen".