1331013103 has 8 divisors (see below), whose sum is σ = 1523973920. Its totient is φ = 1138756320.

The previous prime is 1331013097. The next prime is 1331013121. The reversal of 1331013103 is 3013101331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331013103 - 2¹³ = 1331004911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331013133) 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, 171948 + ... + 179521.

It is an arithmetic number, because the mean of its divisors is an integer number (190496740).

Almost surely, 2^1331013103 is an apocalyptic number.

1331013103 is a deficient number, since it is larger than the sum of its proper divisors (192960817).

1331013103 is an equidigital number, since it uses as much as digits as its factorization.

1331013103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352017.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1331013103 is about 36483.0522708833. The cubic root of 1331013103 is about 1100.0036096300.

Adding to 1331013103 its reverse (3013101331), we get a palindrome (4344114434).

The spelling of 1331013103 in words is "one billion, three hundred thirty-one million, thirteen thousand, one hundred three".