1103424213031 has 4 divisors (see below), whose sum is σ = 1261056243472. Its totient is φ = 945792182592.

The previous prime is 1103424212983. The next prime is 1103424213053. The reversal of 1103424213031 is 1303124243011.

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 1103424213031 - 2⁹ = 1103424212519 is a prime.

It is a super-2 number, since 2×1103424213031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103424212987 and 1103424213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103424213071) 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, 78816015210 + ... + 78816015223.

It is an arithmetic number, because the mean of its divisors is an integer number (315264060868).

Almost surely, 2^{1103424213031} is an apocalyptic number.

1103424213031 is a deficient number, since it is larger than the sum of its proper divisors (157632030441).

1103424213031 is an equidigital number, since it uses as much as digits as its factorization.

1103424213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157632030440.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1103424213031 its reverse (1303124243011), we get a palindrome (2406548456042).

The spelling of 1103424213031 in words is "one trillion, one hundred three billion, four hundred twenty-four million, two hundred thirteen thousand, thirty-one".