256231083 has 8 divisors (see below), whose sum is σ = 342009808. Its totient is φ = 170636544.

The previous prime is 256231067. The next prime is 256231121. The reversal of 256231083 is 380132652.

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

It is not a de Polignac number, because 256231083 - 2⁴ = 256231067 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 256231083.

It is not an unprimeable number, because it can be changed into a prime (256231033) 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, 42766 + ... + 48387.

It is an arithmetic number, because the mean of its divisors is an integer number (42751226).

Almost surely, 2^256231083 is an apocalyptic number.

256231083 is a deficient number, since it is larger than the sum of its proper divisors (85778725).

256231083 is an equidigital number, since it uses as much as digits as its factorization.

256231083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92093.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 256231083 is about 16007.2197148662. The cubic root of 256231083 is about 635.1514161414.

The spelling of 256231083 in words is "two hundred fifty-six million, two hundred thirty-one thousand, eighty-three".