30561061002 has 16 divisors (see below), whose sum is σ = 61588704672. Its totient is φ = 10109256560.

The previous prime is 30561061001. The next prime is 30561061031. The reversal of 30561061002 is 20016016503.

It is not an unprimeable number, because it can be changed into a prime (30561061001) 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, 19440093 + ... + 19441664.

It is an arithmetic number, because the mean of its divisors is an integer number (3849294042).

Almost surely, 2^30561061002 is an apocalyptic number.

30561061002 is an abundant number, since it is smaller than the sum of its proper divisors (31027643670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30561061002 is a wasteful number, since it uses less digits than its factorization.

30561061002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38881893.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 30561061002 its reverse (20016016503), we get a palindrome (50577077505).

The spelling of 30561061002 in words is "thirty billion, five hundred sixty-one million, sixty-one thousand, two".