1112030312321 has 4 divisors (see below), whose sum is σ = 1112625938352. Its totient is φ = 1111434686292.

The previous prime is 1112030312291. The next prime is 1112030312387. The reversal of 1112030312321 is 1232130302111.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112030312321 is a prime.

It is a super-2 number, since 2×1112030312321² (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 = 1112030312293 and 1112030312302.

It is not an unprimeable number, because it can be changed into a prime (1112030342321) 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, 297810215 + ... + 297813948.

It is an arithmetic number, because the mean of its divisors is an integer number (278156484588).

Almost surely, 2^{1112030312321} is an apocalyptic number.

It is an amenable number.

1112030312321 is a deficient number, since it is larger than the sum of its proper divisors (595626031).

1112030312321 is an equidigital number, since it uses as much as digits as its factorization.

1112030312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595626030.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1112030312321 its reverse (1232130302111), we get a palindrome (2344160614432).

The spelling of 1112030312321 in words is "one trillion, one hundred twelve billion, thirty million, three hundred twelve thousand, three hundred twenty-one".