203311031113030 has 16 divisors (see below), whose sum is σ = 366024410675280. Its totient is φ = 81310066962592.

The previous prime is 203311031112991. The next prime is 203311031113031. The reversal of 203311031113030 is 30311130113302.

It is a junction number, because it is equal to n+sod(n) for n = 203311031112992 and 203311031113010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203311031113031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793125804 + ... + 1793239183.

It is an arithmetic number, because the mean of its divisors is an integer number (22876525667205).

Almost surely, 2^{203311031113030} is an apocalyptic number.

203311031113030 is a deficient number, since it is larger than the sum of its proper divisors (162713379562250).

203311031113030 is a wasteful number, since it uses less digits than its factorization.

203311031113030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586370663.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 203311031113030 its reverse (30311130113302), we get a palindrome (233622161226332).

The spelling of 203311031113030 in words is "two hundred three trillion, three hundred eleven billion, thirty-one million, one hundred thirteen thousand, thirty".