1103431424220 has 72 divisors (see below), whose sum is σ = 3367609614096. Its totient is φ = 292443167232.

The previous prime is 1103431424209. The next prime is 1103431424231. The reversal of 1103431424220 is 224241343011.

1103431424220 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 431 + 4 + 2 + 4 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (1103431424209) and next prime (1103431424231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18774877 + ... + 18833556.

Almost surely, 2^{1103431424220} is an apocalyptic number.

1103431424220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103431424220 is an abundant number, since it is smaller than the sum of its proper divisors (2264178189876).

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

1103431424220 is a wasteful number, since it uses less digits than its factorization.

1103431424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37608611 (or 37608606 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1103431424220 its reverse (224241343011), we get a palindrome (1327672767231).

The spelling of 1103431424220 in words is "one trillion, one hundred three billion, four hundred thirty-one million, four hundred twenty-four thousand, two hundred twenty".