30392103 has 12 divisors (see below), whose sum is σ = 47139000. Its totient is φ = 17366832.

The previous prime is 30392101. The next prime is 30392149. The reversal of 30392103 is 30129303.

It is not a de Polignac number, because 30392103 - 2¹ = 30392101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30392103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30392101) 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, 103228 + ... + 103521.

It is an arithmetic number, because the mean of its divisors is an integer number (3928250).

Almost surely, 2^30392103 is an apocalyptic number.

30392103 is a deficient number, since it is larger than the sum of its proper divisors (16746897).

30392103 is a wasteful number, since it uses less digits than its factorization.

30392103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206766 (or 206759 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 30392103 is about 5512.9033185791. The cubic root of 30392103 is about 312.0711232497.

The spelling of 30392103 in words is "thirty million, three hundred ninety-two thousand, one hundred three".