203140343402 has 32 divisors (see below), whose sum is σ = 321605593344. Its totient is φ = 96126016000.

The previous prime is 203140343381. The next prime is 203140343459. The reversal of 203140343402 is 204343041302.

203140343402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202277 + ... + 668727.

It is an arithmetic number, because the mean of its divisors is an integer number (10050174792).

Almost surely, 2^203140343402 is an apocalyptic number.

203140343402 is a deficient number, since it is larger than the sum of its proper divisors (118465249942).

203140343402 is a wasteful number, since it uses less digits than its factorization.

203140343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466654.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203140343402 its reverse (204343041302), we get a palindrome (407483384704).

The spelling of 203140343402 in words is "two hundred three billion, one hundred forty million, three hundred forty-three thousand, four hundred two".