30880743 has 16 divisors (see below), whose sum is σ = 44353536. Its totient is φ = 19055520.

The previous prime is 30880741. The next prime is 30880747. The reversal of 30880743 is 34708803.

It is not a de Polignac number, because 30880743 - 2¹ = 30880741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30880741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5080 + ... + 9357.

It is an arithmetic number, because the mean of its divisors is an integer number (2772096).

Almost surely, 2^30880743 is an apocalyptic number.

30880743 is a deficient number, since it is larger than the sum of its proper divisors (13472793).

30880743 is a wasteful number, since it uses less digits than its factorization.

30880743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14494.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 30880743 is about 5557.0444482656. The cubic root of 30880743 is about 313.7347178580.

The spelling of 30880743 in words is "thirty million, eight hundred eighty thousand, seven hundred forty-three".