131403020232340 has 24 divisors (see below), whose sum is σ = 276424585740072. Its totient is φ = 52470114140160.

The previous prime is 131403020232331. The next prime is 131403020232389. The reversal of 131403020232340 is 43232020304131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 94986309272464 + 36416710959876 = 9746092^2 + 6034626^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131403020232299 and 131403020232308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5693360221 + ... + 5693383300.

It is an arithmetic number, because the mean of its divisors is an integer number (11517691072503).

Almost surely, 2^{131403020232340} is an apocalyptic number.

131403020232340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403020232340 is an abundant number, since it is smaller than the sum of its proper divisors (145021565507732).

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

131403020232340 is a wasteful number, since it uses less digits than its factorization.

131403020232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11386744107 (or 11386744105 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 131403020232340 its reverse (43232020304131), we get a palindrome (174635040536471).

The spelling of 131403020232340 in words is "one hundred thirty-one trillion, four hundred three billion, twenty million, two hundred thirty-two thousand, three hundred forty".