103111401 has 4 divisors (see below), whose sum is σ = 137481872. Its totient is φ = 68740932.

The previous prime is 103111381. The next prime is 103111403. The reversal of 103111401 is 104111301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103111401 - 2¹⁹ = 102587113 is a prime.

It is a super-2 number, since 2×103111401² = 21263922032365602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103111403) 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, 17185231 + ... + 17185236.

It is an arithmetic number, because the mean of its divisors is an integer number (34370468).

Almost surely, 2^103111401 is an apocalyptic number.

It is an amenable number.

103111401 is a deficient number, since it is larger than the sum of its proper divisors (34370471).

103111401 is an equidigital number, since it uses as much as digits as its factorization.

103111401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34370470.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 103111401 is about 10154.3784152453. The cubic root of 103111401 is about 468.9237498466.

Adding to 103111401 its reverse (104111301), we get a palindrome (207222702).

The spelling of 103111401 in words is "one hundred three million, one hundred eleven thousand, four hundred one".