1331210113020 has 48 divisors (see below), whose sum is σ = 4141542575520. Its totient is φ = 354989363328.

The previous prime is 1331210113007. The next prime is 1331210113031. The reversal of 1331210113020 is 203110121331.

1331210113020 is a `hidden beast` number, since 1 + 331 + 21 + 0 + 11 + 302 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1331210112984 and 1331210113002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232601417 + ... + 1232602496.

It is an arithmetic number, because the mean of its divisors is an integer number (86282136990).

Almost surely, 2^{1331210113020} is an apocalyptic number.

1331210113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331210113020 is an abundant number, since it is smaller than the sum of its proper divisors (2810332462500).

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

1331210113020 is a wasteful number, since it uses less digits than its factorization.

1331210113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465203931 (or 2465203923 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1331210113020 its reverse (203110121331), we get a palindrome (1534320234351).

The spelling of 1331210113020 in words is "one trillion, three hundred thirty-one billion, two hundred ten million, one hundred thirteen thousand, twenty".