30461931138 has 8 divisors (see below), whose sum is σ = 60923862288. Its totient is φ = 10153977044.

The previous prime is 30461931133. The next prime is 30461931161. The reversal of 30461931138 is 83113916403.

It is a sphenic number, since it is the product of 3 distinct primes.

30461931138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 30461931096 and 30461931105.

It is not an unprimeable number, because it can be changed into a prime (30461931131) 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 3 ways as a sum of consecutive naturals, for example, 2538494256 + ... + 2538494267.

It is an arithmetic number, because the mean of its divisors is an integer number (7615482786).

Almost surely, 2^30461931138 is an apocalyptic number.

30461931138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30461931138 is a wasteful number, since it uses less digits than its factorization.

30461931138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076988528.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 30461931138 in words is "thirty billion, four hundred sixty-one million, nine hundred thirty-one thousand, one hundred thirty-eight".