30996528000 has 512 divisors, whose sum is σ = 109128314880. Its totient is φ = 7769088000.

The previous prime is 30996527999. The next prime is 30996528001. The reversal of 30996528000 is 82569903.

It is an interprime number because it is at equal distance from previous prime (30996527999) and next prime (30996528001).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30996528001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55055719 + ... + 55056281.

It is an arithmetic number, because the mean of its divisors is an integer number (213141240).

Almost surely, 2^30996528000 is an apocalyptic number.

30996528000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30996528000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54564157440).

30996528000 is an abundant number, since it is smaller than the sum of its proper divisors (78131786880).

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

30996528000 is a wasteful number, since it uses less digits than its factorization.

30996528000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 30996528000 in words is "thirty billion, nine hundred ninety-six million, five hundred twenty-eight thousand".