131223414302401 has 4 divisors (see below), whose sum is σ = 132059232228052. Its totient is φ = 130387596376752.

The previous prime is 131223414302369. The next prime is 131223414302413. The reversal of 131223414302401 is 104203414322131.

It is a happy number.

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 99415337084176 + 31808077218225 = 9970724^2 + 5639865^2 .

It is a cyclic number.

It is not a de Polignac number, because 131223414302401 - 2⁵ = 131223414302369 is a prime.

It is a super-2 number, since 2×131223414302401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131223414302501) 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, 417908962590 + ... + 417908962903.

It is an arithmetic number, because the mean of its divisors is an integer number (33014808057013).

Almost surely, 2^{131223414302401} is an apocalyptic number.

It is an amenable number.

131223414302401 is a deficient number, since it is larger than the sum of its proper divisors (835817925651).

131223414302401 is an equidigital number, since it uses as much as digits as its factorization.

131223414302401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835817925650.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 131223414302401 its reverse (104203414322131), we get a palindrome (235426828624532).

The spelling of 131223414302401 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, four hundred fourteen million, three hundred two thousand, four hundred one".