3121000000113 has 8 divisors (see below), whose sum is σ = 4162406687488. Its totient is φ = 2080129989744.

The previous prime is 3121000000109. The next prime is 3121000000147. The reversal of 3121000000113 is 3110000001213.

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

It is not a de Polignac number, because 3121000000113 - 2² = 3121000000109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121000000103) 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, 134155681 + ... + 134178942.

It is an arithmetic number, because the mean of its divisors is an integer number (520300835936).

Almost surely, 2^{3121000000113} is an apocalyptic number.

It is an amenable number.

3121000000113 is a deficient number, since it is larger than the sum of its proper divisors (1041406687375).

3121000000113 is a wasteful number, since it uses less digits than its factorization.

3121000000113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268338503.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 3121000000113 its reverse (3110000001213), we get a palindrome (6231000001326).

The spelling of 3121000000113 in words is "three trillion, one hundred twenty-one billion, one hundred thirteen", and thus it is an aban number.