1123231131302 has 16 divisors (see below), whose sum is σ = 1933947555360. Its totient is φ = 479282652288.

The previous prime is 1123231131263. The next prime is 1123231131307. The reversal of 1123231131302 is 2031311323211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123231131307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175173203 + ... + 175179614.

It is an arithmetic number, because the mean of its divisors is an integer number (120871722210).

Almost surely, 2^{1123231131302} is an apocalyptic number.

1123231131302 is a deficient number, since it is larger than the sum of its proper divisors (810716424058).

1123231131302 is a wasteful number, since it uses less digits than its factorization.

1123231131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350353055.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1123231131302 its reverse (2031311323211), we get a palindrome (3154542454513).

The spelling of 1123231131302 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred two".