2131670327 has 4 divisors (see below), whose sum is σ = 2131786440. Its totient is φ = 2131554216.

The previous prime is 2131670323. The next prime is 2131670353. The reversal of 2131670327 is 7230761312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2131670327 - 2² = 2131670323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131670293 and 2131670302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131670323) 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, 23768 + ... + 69485.

It is an arithmetic number, because the mean of its divisors is an integer number (532946610).

Almost surely, 2^2131670327 is an apocalyptic number.

2131670327 is a deficient number, since it is larger than the sum of its proper divisors (116113).

2131670327 is an equidigital number, since it uses as much as digits as its factorization.

2131670327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116112.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 2131670327 is about 46170.0154537553. The cubic root of 2131670327 is about 1286.9845894007.

The spelling of 2131670327 in words is "two billion, one hundred thirty-one million, six hundred seventy thousand, three hundred twenty-seven".