1103212312319 has 4 divisors (see below), whose sum is σ = 1188074797896. Its totient is φ = 1018349826744.

The previous prime is 1103212312313. The next prime is 1103212312327. The reversal of 1103212312319 is 9132132123011.

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 1103212312319 - 2²⁴ = 1103195535103 is a prime.

It is a super-2 number, since 2×1103212312319² (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 = 1103212312291 and 1103212312300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103212312313) 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, 42431242769 + ... + 42431242794.

It is an arithmetic number, because the mean of its divisors is an integer number (297018699474).

Almost surely, 2^{1103212312319} is an apocalyptic number.

1103212312319 is a deficient number, since it is larger than the sum of its proper divisors (84862485577).

1103212312319 is an equidigital number, since it uses as much as digits as its factorization.

1103212312319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84862485576.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 1103212312319 in words is "one trillion, one hundred three billion, two hundred twelve million, three hundred twelve thousand, three hundred nineteen".