2171413331 has 8 divisors (see below), whose sum is σ = 2185389024. Its totient is φ = 2157482880.

The previous prime is 2171413313. The next prime is 2171413369. The reversal of 2171413331 is 1333141712.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2171413331 - 2⁶ = 2171413267 is a prime.

It is a super-2 number, since 2×2171413331² = 9430071708089031122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2171413331.

It is not an unprimeable number, because it can be changed into a prime (2171413031) 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, 87746 + ... + 109736.

It is an arithmetic number, because the mean of its divisors is an integer number (273173628).

Almost surely, 2^2171413331 is an apocalyptic number.

2171413331 is a deficient number, since it is larger than the sum of its proper divisors (13975693).

2171413331 is a wasteful number, since it uses less digits than its factorization.

2171413331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22621.

The product of its digits is 1512, while the sum is 26.

The square root of 2171413331 is about 46598.4262717101. The cubic root of 2171413331 is about 1294.9336004476.

The spelling of 2171413331 in words is "two billion, one hundred seventy-one million, four hundred thirteen thousand, three hundred thirty-one".