30641401172 has 24 divisors (see below), whose sum is σ = 54565773192. Its totient is φ = 15051772800.

The previous prime is 30641401169. The next prime is 30641401177. The reversal of 30641401172 is 27110414603.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 544008976 + 30097392196 = 23324^2 + 173486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30641401177) 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, 134522 + ... + 281742.

It is an arithmetic number, because the mean of its divisors is an integer number (2273573883).

Almost surely, 2^30641401172 is an apocalyptic number.

It is an amenable number.

30641401172 is a deficient number, since it is larger than the sum of its proper divisors (23924372020).

30641401172 is a wasteful number, since it uses less digits than its factorization.

30641401172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148139 (or 148137 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 30641401172 its reverse (27110414603), we get a palindrome (57751815775).

The spelling of 30641401172 in words is "thirty billion, six hundred forty-one million, four hundred one thousand, one hundred seventy-two".