1331120103 has 16 divisors (see below), whose sum is σ = 1834002816. Its totient is φ = 858120480.

The previous prime is 1331120081. The next prime is 1331120113. The reversal of 1331120103 is 3010211331.

It is not a de Polignac number, because 1331120103 - 2⁵ = 1331120071 is a prime.

It is a super-2 number, since 2×1331120103² = 3543761457221461218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331120113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18693 + ... + 54878.

It is an arithmetic number, because the mean of its divisors is an integer number (114625176).

Almost surely, 2^1331120103 is an apocalyptic number.

1331120103 is a deficient number, since it is larger than the sum of its proper divisors (502882713).

1331120103 is a wasteful number, since it uses less digits than its factorization.

1331120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73774.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1331120103 is about 36484.5186757342. The cubic root of 1331120103 is about 1100.0330852308.

Adding to 1331120103 its reverse (3010211331), we get a palindrome (4341331434).

The spelling of 1331120103 in words is "one billion, three hundred thirty-one million, one hundred twenty thousand, one hundred three".