42103430 has 48 divisors (see below), whose sum is σ = 81473040. Its totient is φ = 15660864.

The previous prime is 42103429. The next prime is 42103469. The reversal of 42103430 is 3430124.

It is a junction number, because it is equal to n+sod(n) for n = 42103399 and 42103408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386216 + ... + 386324.

It is an arithmetic number, because the mean of its divisors is an integer number (1697355).

Almost surely, 2^42103430 is an apocalyptic number.

42103430 is a deficient number, since it is larger than the sum of its proper divisors (39369610).

42103430 is a wasteful number, since it uses less digits than its factorization.

42103430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42103430 is about 6488.7155893906. The cubic root of 42103430 is about 347.8877682301.

Adding to 42103430 its reverse (3430124), we get a palindrome (45533554).

The spelling of 42103430 in words is "forty-two million, one hundred three thousand, four hundred thirty".