131342430120401 has 4 divisors (see below), whose sum is σ = 131390347828404. Its totient is φ = 131294512412400.

The previous prime is 131342430120353. The next prime is 131342430120409. The reversal of 131342430120401 is 104021034243131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53101753539025 + 78240676581376 = 7287095^2 + 8845376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131342430120401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131342430120409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23958849890 + ... + 23958855371.

It is an arithmetic number, because the mean of its divisors is an integer number (32847586957101).

Almost surely, 2^{131342430120401} is an apocalyptic number.

It is an amenable number.

131342430120401 is a deficient number, since it is larger than the sum of its proper divisors (47917708003).

131342430120401 is an equidigital number, since it uses as much as digits as its factorization.

131342430120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47917708002.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131342430120401 its reverse (104021034243131), we get a palindrome (235363464363532).

The spelling of 131342430120401 in words is "one hundred thirty-one trillion, three hundred forty-two billion, four hundred thirty million, one hundred twenty thousand, four hundred one".