3278131 has 4 divisors (see below), whose sum is σ = 3391200. Its totient is φ = 3165064.

The previous prime is 3278129. The next prime is 3278147. The reversal of 3278131 is 1318723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1318723 = 7 ⋅188389.

It is a cyclic number.

It is not a de Polignac number, because 3278131 - 2¹ = 3278129 is a prime.

It is a super-2 number, since 2×3278131² = 21492285706322, which contains 22 as substring.

It is a Duffinian number.

3278131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3278096 and 3278105.

It is not an unprimeable number, because it can be changed into a prime (3278101) 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, 56491 + ... + 56548.

It is an arithmetic number, because the mean of its divisors is an integer number (847800).

Almost surely, 2^3278131 is an apocalyptic number.

3278131 is a deficient number, since it is larger than the sum of its proper divisors (113069).

3278131 is a wasteful number, since it uses less digits than its factorization.

3278131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113068.

The product of its digits is 1008, while the sum is 25.

The square root of 3278131 is about 1810.5609627958. The cubic root of 3278131 is about 148.5509504831.

The spelling of 3278131 in words is "three million, two hundred seventy-eight thousand, one hundred thirty-one".