131202442401 has 4 divisors (see below), whose sum is σ = 174936589872. Its totient is φ = 87468294932.

The previous prime is 131202442367. The next prime is 131202442417. The reversal of 131202442401 is 104244202131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104244202131 = 3 ⋅34748067377.

It is a cyclic number.

It is not a de Polignac number, because 131202442401 - 2³⁰ = 130128700577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131202440401) 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, 21867073731 + ... + 21867073736.

It is an arithmetic number, because the mean of its divisors is an integer number (43734147468).

Almost surely, 2^131202442401 is an apocalyptic number.

It is an amenable number.

131202442401 is a deficient number, since it is larger than the sum of its proper divisors (43734147471).

131202442401 is an equidigital number, since it uses as much as digits as its factorization.

131202442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43734147470.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 131202442401 its reverse (104244202131), we get a palindrome (235446644532).

The spelling of 131202442401 in words is "one hundred thirty-one billion, two hundred two million, four hundred forty-two thousand, four hundred one".