203113311302 has 16 divisors (see below), whose sum is σ = 332376137424. Its totient is φ = 92321760000.

The previous prime is 203113311257. The next prime is 203113311353.

203113311302 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907802 + ... + 1109202.

It is an arithmetic number, because the mean of its divisors is an integer number (20773508589).

Almost surely, 2^203113311302 is an apocalyptic number.

203113311302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203113311302 is a deficient number, since it is larger than the sum of its proper divisors (129262826122).

203113311302 is a wasteful number, since it uses less digits than its factorization.

203113311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247255.

The product of its (nonzero) digits is 324, while the sum is 20.

It can be divided in two parts, 203113 and 311302, that added together give a palindrome (514415).

The spelling of 203113311302 in words is "two hundred three billion, one hundred thirteen million, three hundred eleven thousand, three hundred two".