1122331013 has 4 divisors (see below), whose sum is σ = 1123243968. Its totient is φ = 1121418060.

The previous prime is 1122330991. The next prime is 1122331019. The reversal of 1122331013 is 3101332211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3101332211 = 4703 ⋅659437.

It is a cyclic number.

It is not a de Polignac number, because 1122331013 - 2⁶ = 1122330949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122330982 and 1122331000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122331019) 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, 454631 + ... + 457092.

It is an arithmetic number, because the mean of its divisors is an integer number (280810992).

Almost surely, 2^1122331013 is an apocalyptic number.

It is an amenable number.

1122331013 is a deficient number, since it is larger than the sum of its proper divisors (912955).

1122331013 is an equidigital number, since it uses as much as digits as its factorization.

1122331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912954.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1122331013 is about 33501.2091274330. The cubic root of 1122331013 is about 1039.2187836983.

Adding to 1122331013 its reverse (3101332211), we get a palindrome (4223663224).

The spelling of 1122331013 in words is "one billion, one hundred twenty-two million, three hundred thirty-one thousand, thirteen".