2571312002 has 64 divisors (see below), whose sum is σ = 4765630464. Its totient is φ = 1016695680.

The previous prime is 2571311993. The next prime is 2571312041. The reversal of 2571312002 is 2002131752.

It is a happy number.

It is a super-2 number, since 2×2571312002² = 13223290823258496008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1073318 + ... + 1075710.

It is an arithmetic number, because the mean of its divisors is an integer number (74462976).

Almost surely, 2^2571312002 is an apocalyptic number.

2571312002 is a deficient number, since it is larger than the sum of its proper divisors (2194318462).

2571312002 is a wasteful number, since it uses less digits than its factorization.

2571312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2571312002 is about 50708.1058806183. The cubic root of 2571312002 is about 1369.9927188062.

Adding to 2571312002 its reverse (2002131752), we get a palindrome (4573443754).

The spelling of 2571312002 in words is "two billion, five hundred seventy-one million, three hundred twelve thousand, two".