131403300402340 has 96 divisors (see below), whose sum is σ = 292901719880448. Its totient is φ = 49347217920000.

The previous prime is 131403300402331. The next prime is 131403300402379. The reversal of 131403300402340 is 43204003304131.

It is a junction number, because it is equal to n+sod(n) for n = 131403300402299 and 131403300402308.

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, 385628040 + ... + 385968640.

It is an arithmetic number, because the mean of its divisors is an integer number (3051059582088).

Almost surely, 2^{131403300402340} is an apocalyptic number.

131403300402340 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 131403300402340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146450859940224).

131403300402340 is an abundant number, since it is smaller than the sum of its proper divisors (161498419478108).

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

131403300402340 is a wasteful number, since it uses less digits than its factorization.

131403300402340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343429 (or 343427 counting only the distinct ones).

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

Adding to 131403300402340 its reverse (43204003304131), we get a palindrome (174607303706471).

The spelling of 131403300402340 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred million, four hundred two thousand, three hundred forty".