2730717131 has 4 divisors (see below), whose sum is σ = 2758868952. Its totient is φ = 2702565312.

The previous prime is 2730717109. The next prime is 2730717149. The reversal of 2730717131 is 1317170372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2730717131 is a prime.

It is a super-2 number, since 2×2730717131² = 14913632099073742322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2730717161) 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, 14075765 + ... + 14075958.

It is an arithmetic number, because the mean of its divisors is an integer number (689717238).

Almost surely, 2^2730717131 is an apocalyptic number.

2730717131 is a deficient number, since it is larger than the sum of its proper divisors (28151821).

2730717131 is an equidigital number, since it uses as much as digits as its factorization.

2730717131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28151820.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 2730717131 is about 52256.2640359986. The cubic root of 2730717131 is about 1397.7373538094.

The spelling of 2730717131 in words is "two billion, seven hundred thirty million, seven hundred seventeen thousand, one hundred thirty-one".