30545551100 has 18 divisors (see below), whose sum is σ = 66283846104. Its totient is φ = 12218220400.

The previous prime is 30545551033. The next prime is 30545551103. The reversal of 30545551100 is 115554503.

It is a super-2 number, since 2×30545551100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30545551103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152727656 + ... + 152727855.

Almost surely, 2^30545551100 is an apocalyptic number.

It is an amenable number.

30545551100 is an abundant number, since it is smaller than the sum of its proper divisors (35738295004).

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

30545551100 is a wasteful number, since it uses less digits than its factorization.

30545551100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305455525 (or 305455518 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 30545551100 in words is "thirty billion, five hundred forty-five million, five hundred fifty-one thousand, one hundred".