1100203131032 has 32 divisors (see below), whose sum is σ = 2106950123520. Its totient is φ = 538351744800.

The previous prime is 1100203130981. The next prime is 1100203131077. The reversal of 1100203131032 is 2301313020011.

It is a super-2 number, since 2×1100203131032² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1100203131032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4564073 + ... + 4799079.

It is an arithmetic number, because the mean of its divisors is an integer number (65842191360).

Almost surely, 2^{1100203131032} is an apocalyptic number.

It is an amenable number.

1100203131032 is a deficient number, since it is larger than the sum of its proper divisors (1006746992488).

1100203131032 is a wasteful number, since it uses less digits than its factorization.

1100203131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247511 (or 247507 counting only the distinct ones).

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

Adding to 1100203131032 its reverse (2301313020011), we get a palindrome (3401516151043).

The spelling of 1100203131032 in words is "one trillion, one hundred billion, two hundred three million, one hundred thirty-one thousand, thirty-two".