30986042735 has 32 divisors (see below), whose sum is σ = 39516871680. Its totient is φ = 23295097728.

The previous prime is 30986042723. The next prime is 30986042741. The reversal of 30986042735 is 53724068903.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30986042735 - 2²² = 30981848431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 30986042735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570209 + ... + 622181.

It is an arithmetic number, because the mean of its divisors is an integer number (1234902240).

Almost surely, 2^30986042735 is an apocalyptic number.

30986042735 is a deficient number, since it is larger than the sum of its proper divisors (8530828945).

30986042735 is a wasteful number, since it uses less digits than its factorization.

30986042735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52127.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 30986042735 in words is "thirty billion, nine hundred eighty-six million, forty-two thousand, seven hundred thirty-five".