1131003102440 has 32 divisors (see below), whose sum is σ = 2582738434080. Its totient is φ = 445648982592.

The previous prime is 1131003102337. The next prime is 1131003102451. The reversal of 1131003102440 is 442013001311.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 211005362 + ... + 211010721.

It is an arithmetic number, because the mean of its divisors is an integer number (80710576065).

Almost surely, 2^{1131003102440} is an apocalyptic number.

1131003102440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131003102440 is an abundant number, since it is smaller than the sum of its proper divisors (1451735331640).

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

1131003102440 is a wasteful number, since it uses less digits than its factorization.

1131003102440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422016161 (or 422016157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1131003102440 its reverse (442013001311), we get a palindrome (1573016103751).

The spelling of 1131003102440 in words is "one trillion, one hundred thirty-one billion, three million, one hundred two thousand, four hundred forty".