203110320142 has 8 divisors (see below), whose sum is σ = 304671207456. Its totient is φ = 101553250992.

The previous prime is 203110320121. The next prime is 203110320163. The reversal of 203110320142 is 241023011302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (203110320121) and next prime (203110320163).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817623 + ... + 1036690.

It is an arithmetic number, because the mean of its divisors is an integer number (38083900932).

Almost surely, 2^203110320142 is an apocalyptic number.

203110320142 is a deficient number, since it is larger than the sum of its proper divisors (101560887314).

203110320142 is a wasteful number, since it uses less digits than its factorization.

203110320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909082.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203110320142 its reverse (241023011302), we get a palindrome (444133331444).

The spelling of 203110320142 in words is "two hundred three billion, one hundred ten million, three hundred twenty thousand, one hundred forty-two".