1331100103 has 8 divisors (see below), whose sum is σ = 1375911936. Its totient is φ = 1286405400.

The previous prime is 1331100097. The next prime is 1331100139. The reversal of 1331100103 is 3010011331.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331100103 is a prime.

It is a super-2 number, since 2×1331100103² = 3543654968413221218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331100163) 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, 5863 + ... + 51928.

It is an arithmetic number, because the mean of its divisors is an integer number (171988992).

Almost surely, 2^1331100103 is an apocalyptic number.

1331100103 is a deficient number, since it is larger than the sum of its proper divisors (44811833).

1331100103 is an equidigital number, since it uses as much as digits as its factorization.

1331100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58565.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1331100103 is about 36484.2445858483. The cubic root of 1331100103 is about 1100.0275758927.

Adding to 1331100103 its reverse (3010011331), we get a palindrome (4341111434).

The spelling of 1331100103 in words is "one billion, three hundred thirty-one million, one hundred thousand, one hundred three".