203101442 has 8 divisors (see below), whose sum is σ = 315157500. Its totient is φ = 98048944.

The previous prime is 203101441. The next prime is 203101463. The reversal of 203101442 is 244101302.

It can be written as a sum of positive squares in 2 ways, for example, as 185804161 + 17297281 = 13631^2 + 4159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 203101442.

It is not an unprimeable number, because it can be changed into a prime (203101441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750817 + ... + 1750932.

Almost surely, 2^203101442 is an apocalyptic number.

203101442 is a deficient number, since it is larger than the sum of its proper divisors (112056058).

203101442 is a wasteful number, since it uses less digits than its factorization.

203101442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501780.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203101442 is about 14251.3663204620. The cubic root of 203101442 is about 587.8109458239.

Adding to 203101442 its reverse (244101302), we get a palindrome (447202744).

The spelling of 203101442 in words is "two hundred three million, one hundred one thousand, four hundred forty-two".