131423210044340 has 48 divisors (see below), whose sum is σ = 277437921997824. Its totient is φ = 52293257923200.

The previous prime is 131423210044303. The next prime is 131423210044391. The reversal of 131423210044340 is 43440012324131.

It is a junction number, because it is equal to n+sod(n) for n = 131423210044297 and 131423210044306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294937310 + ... + 295382570.

It is an arithmetic number, because the mean of its divisors is an integer number (5779956708288).

Almost surely, 2^{131423210044340} is an apocalyptic number.

131423210044340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423210044340 is an abundant number, since it is smaller than the sum of its proper divisors (146014711953484).

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

131423210044340 is a wasteful number, since it uses less digits than its factorization.

131423210044340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522728 (or 522726 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131423210044340 its reverse (43440012324131), we get a palindrome (174863222368471).

The spelling of 131423210044340 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, two hundred ten million, forty-four thousand, three hundred forty".