181001130002 has 32 divisors (see below), whose sum is σ = 338617791360. Its totient is φ = 70494468480.

The previous prime is 181001129971. The next prime is 181001130019. The reversal of 181001130002 is 200031100181.

It is a super-2 number, since 2×181001130002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218798 + ... + 640214.

It is an arithmetic number, because the mean of its divisors is an integer number (10581805980).

Almost surely, 2^181001130002 is an apocalyptic number.

181001130002 is a deficient number, since it is larger than the sum of its proper divisors (157616661358).

181001130002 is a wasteful number, since it uses less digits than its factorization.

181001130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424226.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 181001130002 its reverse (200031100181), we get a palindrome (381032230183).

The spelling of 181001130002 in words is "one hundred eighty-one billion, one million, one hundred thirty thousand, two".