203344341240 has 32 divisors (see below), whose sum is σ = 610033024080. Its totient is φ = 54225157632.

The previous prime is 203344341223. The next prime is 203344341247. The reversal of 203344341240 is 42143443302.

It is a happy number.

It is a super-2 number, since 2×203344341240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 203344341198 and 203344341207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203344341247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847267969 + ... + 847268208.

Almost surely, 2^203344341240 is an apocalyptic number.

203344341240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203344341240 is an abundant number, since it is smaller than the sum of its proper divisors (406688682840).

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

203344341240 is a wasteful number, since it uses less digits than its factorization.

203344341240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694536191 (or 1694536187 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 203344341240 its reverse (42143443302), we get a palindrome (245487784542).

The spelling of 203344341240 in words is "two hundred three billion, three hundred forty-four million, three hundred forty-one thousand, two hundred forty".