203113232102 has 32 divisors (see below), whose sum is σ = 339304476960. Its totient is φ = 90404005120.

The previous prime is 203113232087. The next prime is 203113232143. The reversal of 203113232102 is 201232311302.

It is a congruent number.

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, 422378 + ... + 764610.

It is an arithmetic number, because the mean of its divisors is an integer number (10603264905).

Almost surely, 2^203113232102 is an apocalyptic number.

203113232102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203113232102 is a deficient number, since it is larger than the sum of its proper divisors (136191244858).

203113232102 is a wasteful number, since it uses less digits than its factorization.

203113232102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342808.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203113232102 its reverse (201232311302), we get a palindrome (404345543404).

The spelling of 203113232102 in words is "two hundred three billion, one hundred thirteen million, two hundred thirty-two thousand, one hundred two".