1131032303120 has 20 divisors (see below), whose sum is σ = 2629650104940. Its totient is φ = 452412921216.

The previous prime is 1131032303057. The next prime is 1131032303161. The reversal of 1131032303120 is 213032301311.

It can be written as a sum of positive squares in 2 ways, for example, as 575631759616 + 555400543504 = 758704^2 + 745252^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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

It is a junction number, because it is equal to n+sod(n) for n = 1131032303092 and 1131032303101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7068951815 + ... + 7068951974.

It is an arithmetic number, because the mean of its divisors is an integer number (131482505247).

Almost surely, 2^{1131032303120} is an apocalyptic number.

1131032303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131032303120 is an abundant number, since it is smaller than the sum of its proper divisors (1498617801820).

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

1131032303120 is a wasteful number, since it uses less digits than its factorization.

1131032303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14137903802 (or 14137903796 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1131032303120 its reverse (213032301311), we get a palindrome (1344064604431).

The spelling of 1131032303120 in words is "one trillion, one hundred thirty-one billion, thirty-two million, three hundred three thousand, one hundred twenty".