2730131193 has 4 divisors (see below), whose sum is σ = 3640174928. Its totient is φ = 1820087460.

The previous prime is 2730131191. The next prime is 2730131203. The reversal of 2730131193 is 3911310372.

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 not a de Polignac number, because 2730131193 - 2¹ = 2730131191 is a prime.

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 2730131193.

It is not an unprimeable number, because it can be changed into a prime (2730131191) 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, 455021863 + ... + 455021868.

It is an arithmetic number, because the mean of its divisors is an integer number (910043732).

Almost surely, 2^2730131193 is an apocalyptic number.

It is an amenable number.

2730131193 is a deficient number, since it is larger than the sum of its proper divisors (910043735).

2730131193 is an equidigital number, since it uses as much as digits as its factorization.

2730131193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910043734.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 2730131193 is about 52250.6573451473. The cubic root of 2730131193 is about 1397.6373744541.

The spelling of 2730131193 in words is "two billion, seven hundred thirty million, one hundred thirty-one thousand, one hundred ninety-three".