30699159 has 16 divisors (see below), whose sum is σ = 42285792. Its totient is φ = 19795968.

The previous prime is 30699157. The next prime is 30699173. The reversal of 30699159 is 95199603.

It is not a de Polignac number, because 30699159 - 2¹ = 30699157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30699159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30699157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20707 + ... + 22139.

It is an arithmetic number, because the mean of its divisors is an integer number (2642862).

Almost surely, 2^30699159 is an apocalyptic number.

30699159 is a deficient number, since it is larger than the sum of its proper divisors (11586633).

30699159 is a wasteful number, since it uses less digits than its factorization.

30699159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 30699159 is about 5540.6821782160. The cubic root of 30699159 is about 313.1185708299.

The spelling of 30699159 in words is "thirty million, six hundred ninety-nine thousand, one hundred fifty-nine".