131350421454121 has 16 divisors (see below), whose sum is σ = 134879157975744. Its totient is φ = 127863283489344.

The previous prime is 131350421454103. The next prime is 131350421454139. The reversal of 131350421454121 is 121454124053131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131350421454103) and next prime (131350421454139).

It is a cyclic number.

It is not a de Polignac number, because 131350421454121 - 2¹⁵ = 131350421421353 is a prime.

It is a super-2 number, since 2×131350421454121² (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 (131350421434121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7879806 + ... + 18021991.

It is an arithmetic number, because the mean of its divisors is an integer number (8429947373484).

Almost surely, 2^{131350421454121} is an apocalyptic number.

It is an amenable number.

131350421454121 is a deficient number, since it is larger than the sum of its proper divisors (3528736521623).

131350421454121 is a wasteful number, since it uses less digits than its factorization.

131350421454121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25902600.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 131350421454121 in words is "one hundred thirty-one trillion, three hundred fifty billion, four hundred twenty-one million, four hundred fifty-four thousand, one hundred twenty-one".