203881402 has 12 divisors (see below), whose sum is σ = 310468410. Its totient is φ = 100414776.

The previous prime is 203881387. The next prime is 203881409. The reversal of 203881402 is 204188302.

203881402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 203661441 + 219961 = 14271^2 + 469^2 .

It is not an unprimeable number, because it can be changed into a prime (203881409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2377 + ... + 20332.

Almost surely, 2^203881402 is an apocalyptic number.

203881402 is a deficient number, since it is larger than the sum of its proper divisors (106587008).

203881402 is an equidigital number, since it uses as much as digits as its factorization.

203881402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22845 (or 22778 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 203881402 is about 14278.7044930554. The cubic root of 203881402 is about 588.5624313728.

The spelling of 203881402 in words is "two hundred three million, eight hundred eighty-one thousand, four hundred two".