10203100042 has 16 divisors (see below), whose sum is σ = 15390437832. Its totient is φ = 5072981760.

The previous prime is 10203100021. The next prime is 10203100043. The reversal of 10203100042 is 24000130201.

It can be written as a sum of positive squares in 4 ways, for example, as 10011803481 + 191296561 = 100059^2 + 13831^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10203099995 and 10203100031.

It is not an unprimeable number, because it can be changed into a prime (10203100043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893038 + ... + 904390.

Almost surely, 2^10203100042 is an apocalyptic number.

10203100042 is a deficient number, since it is larger than the sum of its proper divisors (5187337790).

10203100042 is a wasteful number, since it uses less digits than its factorization.

10203100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13833.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10203100042 its reverse (24000130201), we get a palindrome (34203230243).

The spelling of 10203100042 in words is "ten billion, two hundred three million, one hundred thousand, forty-two".