1313201001020 has 12 divisors (see below), whose sum is σ = 2757722102184. Its totient is φ = 525280400400.

The previous prime is 1313201000989. The next prime is 1313201001023. The reversal of 1313201001020 is 201001023131.

It is a junction number, because it is equal to n+sod(n) for n = 1313201000986 and 1313201001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313201001023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32830025006 + ... + 32830025045.

It is an arithmetic number, because the mean of its divisors is an integer number (229810175182).

Almost surely, 2^{1313201001020} is an apocalyptic number.

1313201001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313201001020 is an abundant number, since it is smaller than the sum of its proper divisors (1444521101164).

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

1313201001020 is a wasteful number, since it uses less digits than its factorization.

1313201001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65660050060 (or 65660050058 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1313201001020 its reverse (201001023131), we get a palindrome (1514202024151).

The spelling of 1313201001020 in words is "one trillion, three hundred thirteen billion, two hundred one million, one thousand, twenty".