30919391134 has 16 divisors (see below), whose sum is σ = 47929489920. Its totient is φ = 14944025880.

The previous prime is 30919391099. The next prime is 30919391137. The reversal of 30919391134 is 43119391903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30919391137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227644 + ... + 337135.

It is an arithmetic number, because the mean of its divisors is an integer number (2995593120).

Almost surely, 2^30919391134 is an apocalyptic number.

30919391134 is a deficient number, since it is larger than the sum of its proper divisors (17010098786).

30919391134 is a wasteful number, since it uses less digits than its factorization.

30919391134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565695.

The product of its (nonzero) digits is 78732, while the sum is 43.

It can be divided in two parts, 3091 and 9391134, that added together give a square (9394225 = 3065²).

The spelling of 30919391134 in words is "thirty billion, nine hundred nineteen million, three hundred ninety-one thousand, one hundred thirty-four".