30836403512 has 8 divisors (see below), whose sum is σ = 57818256600. Its totient is φ = 15418201752.

The previous prime is 30836403491. The next prime is 30836403517. The reversal of 30836403512 is 21530463803.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30836403517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927275212 + ... + 1927275227.

It is an arithmetic number, because the mean of its divisors is an integer number (7227282075).

Almost surely, 2^30836403512 is an apocalyptic number.

It is an amenable number.

30836403512 is a deficient number, since it is larger than the sum of its proper divisors (26981853088).

30836403512 is a wasteful number, since it uses less digits than its factorization.

30836403512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854550445 (or 3854550441 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 30836403512 in words is "thirty billion, eight hundred thirty-six million, four hundred three thousand, five hundred twelve".