133420424031 has 12 divisors (see below), whose sum is σ = 193559958280. Its totient is φ = 88558533360.

The previous prime is 133420423987. The next prime is 133420424089. The reversal of 133420424031 is 130424024331.

133420424031 is a `hidden beast` number, since 133 + 420 + 42 + 40 + 31 = 666.

It is not a de Polignac number, because 133420424031 - 2¹⁰ = 133420423007 is a prime.

It is a super-2 number, since 2×133420424031² (a number of 23 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 = 133420423986 and 133420424004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133420424831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32365825 + ... + 32369946.

Almost surely, 2^133420424031 is an apocalyptic number.

133420424031 is a deficient number, since it is larger than the sum of its proper divisors (60139534249).

133420424031 is a wasteful number, since it uses less digits than its factorization.

133420424031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64736006 (or 64736003 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 133420424031 its reverse (130424024331), we get a palindrome (263844448362).

The spelling of 133420424031 in words is "one hundred thirty-three billion, four hundred twenty million, four hundred twenty-four thousand, thirty-one".