203113212302 has 96 divisors (see below), whose sum is σ = 416618627040. Its totient is φ = 73004440320.

The previous prime is 203113212277. The next prime is 203113212307. The reversal of 203113212302 is 203212311302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203113212307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32355188 + ... + 32361464.

It is an arithmetic number, because the mean of its divisors is an integer number (4339777365).

Almost surely, 2^203113212302 is an apocalyptic number.

203113212302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203113212302 is an abundant number, since it is smaller than the sum of its proper divisors (213505414738).

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

203113212302 is a wasteful number, since it uses less digits than its factorization.

203113212302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626 (or 8619 counting only the distinct ones).

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

Adding to 203113212302 its reverse (203212311302), we get a palindrome (406325523604).

The spelling of 203113212302 in words is "two hundred three billion, one hundred thirteen million, two hundred twelve thousand, three hundred two".