103311051 has 4 divisors (see below), whose sum is σ = 137748072. Its totient is φ = 68874032.

The previous prime is 103311017. The next prime is 103311053. The reversal of 103311051 is 150113301.

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 103311051 - 2⁹ = 103310539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103311051.

It is not an unprimeable number, because it can be changed into a prime (103311053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17218506 + ... + 17218511.

It is an arithmetic number, because the mean of its divisors is an integer number (34437018).

Almost surely, 2^103311051 is an apocalyptic number.

103311051 is a deficient number, since it is larger than the sum of its proper divisors (34437021).

103311051 is an equidigital number, since it uses as much as digits as its factorization.

103311051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34437020.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 103311051 is about 10164.2043958197. The cubic root of 103311051 is about 469.2262067563.

Adding to 103311051 its reverse (150113301), we get a palindrome (253424352).

The spelling of 103311051 in words is "one hundred three million, three hundred eleven thousand, fifty-one".