203043104100402 has 64 divisors (see below), whose sum is σ = 435570250227840. Its totient is φ = 62875966731264.

The previous prime is 203043104100349. The next prime is 203043104100433. The reversal of 203043104100402 is 204001401340302.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 38937373 + ... + 43842960.

It is an arithmetic number, because the mean of its divisors is an integer number (6805785159810).

Almost surely, 2^{203043104100402} is an apocalyptic number.

203043104100402 is an abundant number, since it is smaller than the sum of its proper divisors (232527146127438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203043104100402 is a wasteful number, since it uses less digits than its factorization.

203043104100402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82780667.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 203043104100402 its reverse (204001401340302), we get a palindrome (407044505440704).

The spelling of 203043104100402 in words is "two hundred three trillion, forty-three billion, one hundred four million, one hundred thousand, four hundred two".