3119881 has 4 divisors (see below), whose sum is σ = 3255552. Its totient is φ = 2984212.

The previous prime is 3119869. The next prime is 3119899. The reversal of 3119881 is 1889113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3119881 - 2¹¹ = 3117833 is a prime.

It is a super-2 number, since 2×3119881² = 19467314908322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3119821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67801 + ... + 67846.

It is an arithmetic number, because the mean of its divisors is an integer number (813888).

Almost surely, 2^3119881 is an apocalyptic number.

It is an amenable number.

3119881 is a deficient number, since it is larger than the sum of its proper divisors (135671).

3119881 is a wasteful number, since it uses less digits than its factorization.

3119881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135670.

The product of its digits is 1728, while the sum is 31.

The square root of 3119881 is about 1766.3184877026. The cubic root of 3119881 is about 146.1210136989.

The spelling of 3119881 in words is "three million, one hundred nineteen thousand, eight hundred eighty-one".