2857700231 has 4 divisors (see below), whose sum is σ = 2858380200. Its totient is φ = 2857020264.

The previous prime is 2857700207. The next prime is 2857700303. The reversal of 2857700231 is 1320077582.

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-2857700231 is a prime.

It is a super-2 number, since 2×2857700231² = 16332901220514906722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2857700191 and 2857700200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857700201) 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, 333641 + ... + 342098.

It is an arithmetic number, because the mean of its divisors is an integer number (714595050).

Almost surely, 2^2857700231 is an apocalyptic number.

2857700231 is a deficient number, since it is larger than the sum of its proper divisors (679969).

2857700231 is an equidigital number, since it uses as much as digits as its factorization.

2857700231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679968.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2857700231 is about 53457.4618832582. The cubic root of 2857700231 is about 1419.0756781342.

The spelling of 2857700231 in words is "two billion, eight hundred fifty-seven million, seven hundred thousand, two hundred thirty-one".