2730298231 has 4 divisors (see below), whose sum is σ = 2730801672. Its totient is φ = 2729794792.

The previous prime is 2730298213. The next prime is 2730298261. The reversal of 2730298231 is 1328920372.

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

It is a cyclic number.

It is not a de Polignac number, because 2730298231 - 2²¹ = 2728201079 is a prime.

It is a super-2 number, since 2×2730298231² = 14909056860403458722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730298211) 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, 243496 + ... + 254461.

It is an arithmetic number, because the mean of its divisors is an integer number (682700418).

Almost surely, 2^2730298231 is an apocalyptic number.

2730298231 is a deficient number, since it is larger than the sum of its proper divisors (503441).

2730298231 is an equidigital number, since it uses as much as digits as its factorization.

2730298231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503440.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2730298231 is about 52252.2557503501. The cubic root of 2730298231 is about 1397.6658778207.

The spelling of 2730298231 in words is "two billion, seven hundred thirty million, two hundred ninety-eight thousand, two hundred thirty-one".