1123310311530 has 32 divisors (see below), whose sum is σ = 2941030634688. Its totient is φ = 272317651200.

The previous prime is 1123310311523. The next prime is 1123310311583. The reversal of 1123310311530 is 351130133211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123310311530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1701984991 + ... + 1701985650.

It is an arithmetic number, because the mean of its divisors is an integer number (91907207334).

Almost surely, 2^{1123310311530} is an apocalyptic number.

1123310311530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123310311530 is an abundant number, since it is smaller than the sum of its proper divisors (1817720323158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123310311530 is a wasteful number, since it uses less digits than its factorization.

1123310311530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403970662.

The product of its (nonzero) digits is 810, while the sum is 24.

Adding to 1123310311530 its reverse (351130133211), we get a palindrome (1474440444741).

The spelling of 1123310311530 in words is "one trillion, one hundred twenty-three billion, three hundred ten million, three hundred eleven thousand, five hundred thirty".