203112321411340 has 72 divisors (see below), whose sum is σ = 469703568244176. Its totient is φ = 73722502339200.

The previous prime is 203112321411323. The next prime is 203112321411343. The reversal of 203112321411340 is 43114123211302.

It is a junction number, because it is equal to n+sod(n) for n = 203112321411299 and 203112321411308.

It is not an unprimeable number, because it can be changed into a prime (203112321411343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76260754 + ... + 78879193.

It is an arithmetic number, because the mean of its divisors is an integer number (6523660670058).

Almost surely, 2^{203112321411340} is an apocalyptic number.

203112321411340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203112321411340 is an abundant number, since it is smaller than the sum of its proper divisors (266591246832836).

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

203112321411340 is a wasteful number, since it uses less digits than its factorization.

203112321411340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155140519 (or 155140506 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 203112321411340 its reverse (43114123211302), we get a palindrome (246226444622642).

The spelling of 203112321411340 in words is "two hundred three trillion, one hundred twelve billion, three hundred twenty-one million, four hundred eleven thousand, three hundred forty".