276345231 has 8 divisors (see below), whose sum is σ = 368588160. Its totient is φ = 184166232.

The previous prime is 276345169. The next prime is 276345247. The reversal of 276345231 is 132543672.

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

It is not a de Polignac number, because 276345231 - 2²⁵ = 242790799 is a prime.

It is a super-2 number, since 2×276345231² = 152733373392886722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 276345192 and 276345201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276345271) 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, 4771 + ... + 23988.

It is an arithmetic number, because the mean of its divisors is an integer number (46073520).

Almost surely, 2^276345231 is an apocalyptic number.

276345231 is a deficient number, since it is larger than the sum of its proper divisors (92242929).

276345231 is a wasteful number, since it uses less digits than its factorization.

276345231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31965.

The product of its digits is 30240, while the sum is 33.

The square root of 276345231 is about 16623.6347108567. The cubic root of 276345231 is about 651.3543602736.

The spelling of 276345231 in words is "two hundred seventy-six million, three hundred forty-five thousand, two hundred thirty-one".