131121230514733 has 2 divisors, whose sum is σ = 131121230514734. Its totient is φ = 131121230514732.

The previous prime is 131121230514727. The next prime is 131121230514751. The reversal of 131121230514733 is 337415032121131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103957151699844 + 27164078814889 = 10195938^2 + 5211917^2 .

It is a cyclic number.

It is not a de Polignac number, because 131121230514733 - 2²¹ = 131121228417581 is a prime.

It is a super-2 number, since 2×131121230514733² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131121230514692 and 131121230514701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131121230514773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65560615257366 + 65560615257367.

It is an arithmetic number, because the mean of its divisors is an integer number (65560615257367).

Almost surely, 2^{131121230514733} is an apocalyptic number.

It is an amenable number.

131121230514733 is a deficient number, since it is larger than the sum of its proper divisors (1).

131121230514733 is an equidigital number, since it uses as much as digits as its factorization.

131121230514733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

Adding to 131121230514733 its reverse (337415032121131), we get a palindrome (468536262635864).

The spelling of 131121230514733 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, two hundred thirty million, five hundred fourteen thousand, seven hundred thirty-three".