203313121130040 has 32 divisors (see below), whose sum is σ = 609939363390480. Its totient is φ = 54216832301312.

The previous prime is 203313121130039. The next prime is 203313121130051. The reversal of 203313121130040 is 40031121313302.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 847138004589 + ... + 847138004828.

Almost surely, 2^{203313121130040} is an apocalyptic number.

203313121130040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203313121130040 is an abundant number, since it is smaller than the sum of its proper divisors (406626242260440).

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

203313121130040 is a wasteful number, since it uses less digits than its factorization.

203313121130040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694276009431 (or 1694276009427 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 203313121130040 its reverse (40031121313302), we get a palindrome (243344242443342).

The spelling of 203313121130040 in words is "two hundred three trillion, three hundred thirteen billion, one hundred twenty-one million, one hundred thirty thousand, forty".