3101881013 has 32 divisors (see below), whose sum is σ = 4101331968. Its totient is φ = 2271225600.

The previous prime is 3101881009. The next prime is 3101881031.

3101881013 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3101881013 - 2² = 3101881009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101881313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1028678 + ... + 1031688.

It is an arithmetic number, because the mean of its divisors is an integer number (128166624).

Almost surely, 2^3101881013 is an apocalyptic number.

It is an amenable number.

3101881013 is a deficient number, since it is larger than the sum of its proper divisors (999450955).

3101881013 is a wasteful number, since it uses less digits than its factorization.

3101881013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 3101881013 is about 55694.5330620520. The cubic root of 3101881013 is about 1458.3945906662.

The spelling of 3101881013 in words is "three billion, one hundred one million, eight hundred eighty-one thousand, thirteen".