131403021011320 has 96 divisors (see below), whose sum is σ = 312049048615920. Its totient is φ = 49792854481920.

The previous prime is 131403021011309. The next prime is 131403021011323. The reversal of 131403021011320 is 23110120304131.

It is a junction number, because it is equal to n+sod(n) for n = 131403021011291 and 131403021011300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403021011323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393770859 + ... + 394104421.

Almost surely, 2^{131403021011320} is an apocalyptic number.

131403021011320 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 131403021011320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156024524307960).

131403021011320 is an abundant number, since it is smaller than the sum of its proper divisors (180646027604600).

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

131403021011320 is a wasteful number, since it uses less digits than its factorization.

131403021011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360893 (or 360870 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131403021011320 its reverse (23110120304131), we get a palindrome (154513141315451).

The spelling of 131403021011320 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, eleven thousand, three hundred twenty".