30310909092 has 18 divisors (see below), whose sum is σ = 76619242518. Its totient is φ = 10103636352.

The previous prime is 30310909063. The next prime is 30310909093. The reversal of 30310909092 is 29090901303.

It can be written as a sum of positive squares in only one way, i.e., 29768671296 + 542237796 = 172536^2 + 23286^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 841969697 = 30310909092 / (3 + 0 + 3 + 1 + 0 + 9 + 0 + 9 + 0 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (30310909093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 420984813 + ... + 420984884.

Almost surely, 2^30310909092 is an apocalyptic number.

It is an amenable number.

30310909092 is an abundant number, since it is smaller than the sum of its proper divisors (46308333426).

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

30310909092 is a wasteful number, since it uses less digits than its factorization.

30310909092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841969707 (or 841969702 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The spelling of 30310909092 in words is "thirty billion, three hundred ten million, nine hundred nine thousand, ninety-two".