30523916136 has 192 divisors, whose sum is σ = 92232967680. Its totient is φ = 8384463360.

The previous prime is 30523916131. The next prime is 30523916153. The reversal of 30523916136 is 63161932503.

It is a super-2 number, since 2×30523916136² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30523916094 and 30523916103.

It is not an unprimeable number, because it can be changed into a prime (30523916131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5720926 + ... + 5726258.

It is an arithmetic number, because the mean of its divisors is an integer number (480380040).

Almost surely, 2^30523916136 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 30523916136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46116483840).

30523916136 is an abundant number, since it is smaller than the sum of its proper divisors (61709051544).

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

30523916136 is a wasteful number, since it uses less digits than its factorization.

30523916136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544 (or 5533 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The spelling of 30523916136 in words is "thirty billion, five hundred twenty-three million, nine hundred sixteen thousand, one hundred thirty-six".