30201521136 has 160 divisors (see below), whose sum is σ = 85225378560. Its totient is φ = 9182896128.

The previous prime is 30201521089. The next prime is 30201521137. The reversal of 30201521136 is 63112510203.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201521137) 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, 3268555 + ... + 3277781.

It is an arithmetic number, because the mean of its divisors is an integer number (532658616).

Almost surely, 2^30201521136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30201521136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42612689280).

30201521136 is an abundant number, since it is smaller than the sum of its proper divisors (55023857424).

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

30201521136 is a wasteful number, since it uses less digits than its factorization.

30201521136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9391 (or 9385 counting only the distinct ones).

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

The spelling of 30201521136 in words is "thirty billion, two hundred one million, five hundred twenty-one thousand, one hundred thirty-six".