1105342311431 has 4 divisors (see below), whose sum is σ = 1108228323072. Its totient is φ = 1102456299792.

The previous prime is 1105342311401. The next prime is 1105342311443. The reversal of 1105342311431 is 1341132435011.

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 1105342311431 - 2³⁴ = 1088162442247 is a prime.

It is a super-2 number, since 2×1105342311431² (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 = 1105342311394 and 1105342311403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105342311401) 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, 1443005246 + ... + 1443006011.

It is an arithmetic number, because the mean of its divisors is an integer number (277057080768).

Almost surely, 2^{1105342311431} is an apocalyptic number.

1105342311431 is a deficient number, since it is larger than the sum of its proper divisors (2886011641).

1105342311431 is an equidigital number, since it uses as much as digits as its factorization.

1105342311431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886011640.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 1105342311431 its reverse (1341132435011), we get a palindrome (2446474746442).

The spelling of 1105342311431 in words is "one trillion, one hundred five billion, three hundred forty-two million, three hundred eleven thousand, four hundred thirty-one".