3103121003121 has 40 divisors (see below), whose sum is σ = 4893325319520. Its totient is φ = 1954313526528.

The previous prime is 3103121003111. The next prime is 3103121003123. The reversal of 3103121003121 is 1213001213013.

3103121003121 is a `hidden beast` number, since 31 + 0 + 312 + 10 + 0 + 312 + 1 = 666.

It is not a de Polignac number, because 3103121003121 - 2⁹ = 3103121002609 is a prime.

It is a super-4 number, since 4×3103121003121⁴ (a number of 51 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3103121003094 and 3103121003103.

It is not an unprimeable number, because it can be changed into a prime (3103121003123) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2312715 + ... + 3399248.

It is an arithmetic number, because the mean of its divisors is an integer number (122333132988).

Almost surely, 2^{3103121003121} is an apocalyptic number.

It is an amenable number.

3103121003121 is a deficient number, since it is larger than the sum of its proper divisors (1790204316399).

3103121003121 is a wasteful number, since it uses less digits than its factorization.

3103121003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712347 (or 5712338 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 3103121003121 its reverse (1213001213013), we get a palindrome (4316122216134).

The spelling of 3103121003121 in words is "three trillion, one hundred three billion, one hundred twenty-one million, three thousand, one hundred twenty-one".