30904312378 has 8 divisors (see below), whose sum is σ = 46651733172. Its totient is φ = 15353734656.

The previous prime is 30904312357. The next prime is 30904312409. The reversal of 30904312378 is 87321340903.

It can be written as a sum of positive squares in 2 ways, for example, as 24503832369 + 6400480009 = 156537^2 + 80003^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 30904312378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49210375 + ... + 49211002.

Almost surely, 2^30904312378 is an apocalyptic number.

30904312378 is a deficient number, since it is larger than the sum of its proper divisors (15747420794).

30904312378 is a wasteful number, since it uses less digits than its factorization.

30904312378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98421536.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 30904312378 in words is "thirty billion, nine hundred four million, three hundred twelve thousand, three hundred seventy-eight".