133231432504105 has 32 divisors (see below), whose sum is σ = 175596430050720. Its totient is φ = 96435396495360.

The previous prime is 133231432504099. The next prime is 133231432504123. The reversal of 133231432504105 is 501405234132331.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 70882389812224 + 62349042691881 = 8419168^2 + 7896141^2 .

It is not a de Polignac number, because 133231432504105 - 2⁵ = 133231432504073 is a prime.

It is a super-2 number, since 2×133231432504105² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15421860 + ... + 22456549.

It is an arithmetic number, because the mean of its divisors is an integer number (5487388439085).

Almost surely, 2^{133231432504105} is an apocalyptic number.

It is an amenable number.

133231432504105 is a deficient number, since it is larger than the sum of its proper divisors (42364997546615).

133231432504105 is a wasteful number, since it uses less digits than its factorization.

133231432504105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37879501.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 133231432504105 its reverse (501405234132331), we get a palindrome (634636666636436).

The spelling of 133231432504105 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, four hundred thirty-two million, five hundred four thousand, one hundred five".