1103021413 has 4 divisors (see below), whose sum is σ = 1187869228. Its totient is φ = 1018173600.

The previous prime is 1103021369. The next prime is 1103021429. The reversal of 1103021413 is 3141203011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131951169 + 971070244 = 11487^2 + 31162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103021413 - 2¹³ = 1103013221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103021813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42423888 + ... + 42423913.

It is an arithmetic number, because the mean of its divisors is an integer number (296967307).

Almost surely, 2^1103021413 is an apocalyptic number.

1103021413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1103021413 is a deficient number, since it is larger than the sum of its proper divisors (84847815).

1103021413 is an equidigital number, since it uses as much as digits as its factorization.

1103021413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84847814.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1103021413 is about 33211.7661830864. The cubic root of 1103021413 is about 1033.2243861436.

Adding to 1103021413 its reverse (3141203011), we get a palindrome (4244224424).

The spelling of 1103021413 in words is "one billion, one hundred three million, twenty-one thousand, four hundred thirteen".