101131103 has 4 divisors (see below), whose sum is σ = 101151960. Its totient is φ = 101110248.

The previous prime is 101131099. The next prime is 101131153. The reversal of 101131103 is 301131101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101131103 - 2² = 101131099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131153) 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, 1076 + ... + 14262.

It is an arithmetic number, because the mean of its divisors is an integer number (25287990).

Almost surely, 2^101131103 is an apocalyptic number.

101131103 is a deficient number, since it is larger than the sum of its proper divisors (20857).

101131103 is an equidigital number, since it uses as much as digits as its factorization.

101131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20856.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 101131103 is about 10056.3961238607. The cubic root of 101131103 is about 465.9023646200.

Adding to 101131103 its reverse (301131101), we get a palindrome (402262204).

The spelling of 101131103 in words is "one hundred one million, one hundred thirty-one thousand, one hundred three".