1013202131320 has 128 divisors (see below), whose sum is σ = 2408399308800. Its totient is φ = 383099558400.

The previous prime is 1013202131299. The next prime is 1013202131369. The reversal of 1013202131320 is 231312023101.

It is a super-2 number, since 2×1013202131320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11442015 + ... + 11530225.

It is an arithmetic number, because the mean of its divisors is an integer number (18815619600).

Almost surely, 2^{1013202131320} is an apocalyptic number.

1013202131320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013202131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204199654400).

1013202131320 is an abundant number, since it is smaller than the sum of its proper divisors (1395197177480).

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

1013202131320 is a wasteful number, since it uses less digits than its factorization.

1013202131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88469 (or 88465 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1013202131320 its reverse (231312023101), we get a palindrome (1244514154421).

The spelling of 1013202131320 in words is "one trillion, thirteen billion, two hundred two million, one hundred thirty-one thousand, three hundred twenty".