8103241581 has 32 divisors (see below), whose sum is σ = 11537971200. Its totient is φ = 5044032000.

The previous prime is 8103241579. The next prime is 8103241583. The reversal of 8103241581 is 1851423018.

It is an interprime number because it is at equal distance from previous prime (8103241579) and next prime (8103241583).

It is not a de Polignac number, because 8103241581 - 2¹ = 8103241579 is a prime.

It is a super-2 number, since 2×8103241581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8103241583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1384860 + ... + 1390698.

It is an arithmetic number, because the mean of its divisors is an integer number (360561600).

Almost surely, 2^8103241581 is an apocalyptic number.

It is an amenable number.

8103241581 is a deficient number, since it is larger than the sum of its proper divisors (3434729619).

8103241581 is a wasteful number, since it uses less digits than its factorization.

8103241581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 8103241581 is about 90018.0069819367. The cubic root of 8103241581 is about 2008.5667183599.

Adding to 8103241581 its reverse (1851423018), we get a palindrome (9954664599).

The spelling of 8103241581 in words is "eight billion, one hundred three million, two hundred forty-one thousand, five hundred eighty-one".