203412444442 has 4 divisors (see below), whose sum is σ = 305118666666. Its totient is φ = 101706222220.

The previous prime is 203412444427. The next prime is 203412444461. The reversal of 203412444442 is 244444214302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 131014317681 + 72398126761 = 361959^2 + 269069^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203412444398 and 203412444407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50853111109 + ... + 50853111112.

Almost surely, 2^203412444442 is an apocalyptic number.

203412444442 is a deficient number, since it is larger than the sum of its proper divisors (101706222224).

203412444442 is a wasteful number, since it uses less digits than its factorization.

203412444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101706222223.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 203412444442 its reverse (244444214302), we get a palindrome (447856658744).

The spelling of 203412444442 in words is "two hundred three billion, four hundred twelve million, four hundred forty-four thousand, four hundred forty-two".