1103231312032 has 96 divisors (see below), whose sum is σ = 2273456771712. Its totient is φ = 525997215744.

The previous prime is 1103231311999. The next prime is 1103231312083. The reversal of 1103231312032 is 2302131323011.

It is a junction number, because it is equal to n+sod(n) for n = 1103231311994 and 1103231312012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480291108 + ... + 480293404.

It is an arithmetic number, because the mean of its divisors is an integer number (23681841372).

Almost surely, 2^{1103231312032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103231312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136728385856).

1103231312032 is an abundant number, since it is smaller than the sum of its proper divisors (1170225459680).

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

1103231312032 is a wasteful number, since it uses less digits than its factorization.

1103231312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1103231312032 its reverse (2302131323011), we get a palindrome (3405362635043).

The spelling of 1103231312032 in words is "one trillion, one hundred three billion, two hundred thirty-one million, three hundred twelve thousand, thirty-two".