30117429 has 12 divisors (see below), whose sum is σ = 43572256. Its totient is φ = 20046312.

The previous prime is 30117427. The next prime is 30117431. The reversal of 30117429 is 92471103.

It is an interprime number because it is at equal distance from previous prime (30117427) and next prime (30117431).

It is not a de Polignac number, because 30117429 - 2¹ = 30117427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30117427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4242 + ... + 8844.

Almost surely, 2^30117429 is an apocalyptic number.

It is an amenable number.

30117429 is a deficient number, since it is larger than the sum of its proper divisors (13454827).

30117429 is a wasteful number, since it uses less digits than its factorization.

30117429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336 (or 5333 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 30117429 is about 5487.9348574851. The cubic root of 30117429 is about 311.1281441024.

It can be divided in two parts, 3011 and 7429, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 30117429 in words is "thirty million, one hundred seventeen thousand, four hundred twenty-nine".