3121342423315 has 8 divisors (see below), whose sum is σ = 3746565713808. Its totient is φ = 2496437401440.

The previous prime is 3121342423313. The next prime is 3121342423333. The reversal of 3121342423315 is 5133242431213.

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

It is not a de Polignac number, because 3121342423315 - 2¹ = 3121342423313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121342423313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79545576 + ... + 79584805.

It is an arithmetic number, because the mean of its divisors is an integer number (468320714226).

Almost surely, 2^{3121342423315} is an apocalyptic number.

3121342423315 is a deficient number, since it is larger than the sum of its proper divisors (625223290493).

3121342423315 is a wasteful number, since it uses less digits than its factorization.

3121342423315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159134309.

The product of its digits is 51840, while the sum is 34.

Adding to 3121342423315 its reverse (5133242431213), we get a palindrome (8254584854528).

The spelling of 3121342423315 in words is "three trillion, one hundred twenty-one billion, three hundred forty-two million, four hundred twenty-three thousand, three hundred fifteen".