131420123304131 has 4 divisors (see below), whose sum is σ = 132080525934000. Its totient is φ = 130759720674264.

The previous prime is 131420123304101. The next prime is 131420123304133. The reversal of 131420123304131 is 131403321024131.

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

It is a cyclic number.

It is not a de Polignac number, because 131420123304131 - 2²² = 131420119109827 is a prime.

It is a super-2 number, since 2×131420123304131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131420123304094 and 131420123304103.

It is not an unprimeable number, because it can be changed into a prime (131420123304133) 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, 330201314636 + ... + 330201315033.

It is an arithmetic number, because the mean of its divisors is an integer number (33020131483500).

Almost surely, 2^{131420123304131} is an apocalyptic number.

131420123304131 is a deficient number, since it is larger than the sum of its proper divisors (660402629869).

131420123304131 is an equidigital number, since it uses as much as digits as its factorization.

131420123304131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660402629868.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 131420123304131 its reverse (131403321024131), we get a palindrome (262823444328262).

The spelling of 131420123304131 in words is "one hundred thirty-one trillion, four hundred twenty billion, one hundred twenty-three million, three hundred four thousand, one hundred thirty-one".