131242401421340 has 24 divisors (see below), whose sum is σ = 300664410529392. Its totient is φ = 47724509607680.

The previous prime is 131242401421333. The next prime is 131242401421387. The reversal of 131242401421340 is 43124104242131.

It is a junction number, because it is equal to n+sod(n) for n = 131242401421297 and 131242401421306.

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, 298278184829 + ... + 298278185268.

It is an arithmetic number, because the mean of its divisors is an integer number (12527683772058).

Almost surely, 2^{131242401421340} is an apocalyptic number.

131242401421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131242401421340 is an abundant number, since it is smaller than the sum of its proper divisors (169422009108052).

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

131242401421340 is a wasteful number, since it uses less digits than its factorization.

131242401421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596556370117 (or 596556370115 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 131242401421340 its reverse (43124104242131), we get a palindrome (174366505663471).

The spelling of 131242401421340 in words is "one hundred thirty-one trillion, two hundred forty-two billion, four hundred one million, four hundred twenty-one thousand, three hundred forty".