30981355200 has 168 divisors, whose sum is σ = 112938671760. Its totient is φ = 8261683200.

The previous prime is 30981355129. The next prime is 30981355211. The reversal of 30981355200 is 255318903.

30981355200 is a `hidden beast` number, since 3 + 0 + 98 + 13 + 552 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315381 + ... + 401780.

Almost surely, 2^30981355200 is an apocalyptic number.

30981355200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30981355200 is an abundant number, since it is smaller than the sum of its proper divisors (81957316560).

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

30981355200 is a wasteful number, since it uses less digits than its factorization.

30981355200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717192 (or 717171 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 30981355200 in words is "thirty billion, nine hundred eighty-one million, three hundred fifty-five thousand, two hundred".