103535321240 has 32 divisors (see below), whose sum is σ = 250874048880. Its totient is φ = 38228426112.

The previous prime is 103535321233. The next prime is 103535321243. The reversal of 103535321240 is 42123535301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103535321243) 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, 99552674 + ... + 99553713.

Almost surely, 2^103535321240 is an apocalyptic number.

103535321240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103535321240 is an abundant number, since it is smaller than the sum of its proper divisors (147338727640).

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

103535321240 is a wasteful number, since it uses less digits than its factorization.

103535321240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199106411 (or 199106407 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 103535321240 its reverse (42123535301), we get a palindrome (145658856541).

The spelling of 103535321240 in words is "one hundred three billion, five hundred thirty-five million, three hundred twenty-one thousand, two hundred forty".