1313311233020 has 24 divisors (see below), whose sum is σ = 2758266617568. Its totient is φ = 525264868800.

The previous prime is 1313311232969. The next prime is 1313311233029. The reversal of 1313311233020 is 203321133131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313311233029) 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, 3545696 + ... + 3898535.

It is an arithmetic number, because the mean of its divisors is an integer number (114927775732).

Almost surely, 2^{1313311233020} is an apocalyptic number.

1313311233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313311233020 is an abundant number, since it is smaller than the sum of its proper divisors (1444955384548).

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

1313311233020 is a wasteful number, since it uses less digits than its factorization.

1313311233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7453061 (or 7453059 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313311233020 its reverse (203321133131), we get a palindrome (1516632366151).

The spelling of 1313311233020 in words is "one trillion, three hundred thirteen billion, three hundred eleven million, two hundred thirty-three thousand, twenty".