1131030113020 has 24 divisors (see below), whose sum is σ = 2457065419200. Its totient is φ = 436811629632.

The previous prime is 1131030113009. The next prime is 1131030113027. The reversal of 1131030113020 is 203110301311.

It is a super-3 number, since 3×1131030113020³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131030112985 and 1131030113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131030113027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975025380 + ... + 975026539.

It is an arithmetic number, because the mean of its divisors is an integer number (102377725800).

Almost surely, 2^{1131030113020} is an apocalyptic number.

1131030113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131030113020 is an abundant number, since it is smaller than the sum of its proper divisors (1326035306180).

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

1131030113020 is a wasteful number, since it uses less digits than its factorization.

1131030113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950051957 (or 1950051955 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1131030113020 its reverse (203110301311), we get a palindrome (1334140414331).

The spelling of 1131030113020 in words is "one trillion, one hundred thirty-one billion, thirty million, one hundred thirteen thousand, twenty".