103420042402 has 12 divisors (see below), whose sum is σ = 164792144610. Its totient is φ = 48668254976.

The previous prime is 103420042399. The next prime is 103420042403. The reversal of 103420042402 is 204240024301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 93329639001 + 10090403401 = 305499^2 + 100451^2 .

It is not an unprimeable number, because it can be changed into a prime (103420042403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89463127 + ... + 89464282.

Almost surely, 2^103420042402 is an apocalyptic number.

103420042402 is a deficient number, since it is larger than the sum of its proper divisors (61372102208).

103420042402 is a wasteful number, since it uses less digits than its factorization.

103420042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178927445 (or 178927428 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 103420042402 its reverse (204240024301), we get a palindrome (307660066703).

The spelling of 103420042402 in words is "one hundred three billion, four hundred twenty million, forty-two thousand, four hundred two".