231048628 has 24 divisors (see below), whose sum is σ = 410727240. Its totient is φ = 113710080.

The previous prime is 231048619. The next prime is 231048637. The reversal of 231048628 is 826840132.

231048628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231048619) and next prime (231048637).

It can be written as a sum of positive squares in 4 ways, for example, as 22014864 + 209033764 = 4692^2 + 14458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231048593 and 231048602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84450 + ... + 87142.

It is an arithmetic number, because the mean of its divisors is an integer number (17113635).

Almost surely, 2^231048628 is an apocalyptic number.

It is an amenable number.

231048628 is a deficient number, since it is larger than the sum of its proper divisors (179678612).

231048628 is a wasteful number, since it uses less digits than its factorization.

231048628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 231048628 is about 15200.2838131398. The cubic root of 231048628 is about 613.6222959691.

The spelling of 231048628 in words is "two hundred thirty-one million, forty-eight thousand, six hundred twenty-eight".