1123331020311 has 8 divisors (see below), whose sum is σ = 1506049692784. Its totient is φ = 744749847360.

The previous prime is 1123331020303. The next prime is 1123331020351. The reversal of 1123331020311 is 1130201333211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123331020311 - 2³ = 1123331020303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123331020351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034374246 + ... + 1034375331.

It is an arithmetic number, because the mean of its divisors is an integer number (188256211598).

Almost surely, 2^{1123331020311} is an apocalyptic number.

1123331020311 is a deficient number, since it is larger than the sum of its proper divisors (382718672473).

1123331020311 is a wasteful number, since it uses less digits than its factorization.

1123331020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068749761.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1123331020311 its reverse (1130201333211), we get a palindrome (2253532353522).

The spelling of 1123331020311 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-one million, twenty thousand, three hundred eleven".