133112420031 has 8 divisors (see below), whose sum is σ = 181812086064. Its totient is φ = 86577183680.

The previous prime is 133112420009. The next prime is 133112420047. The reversal of 133112420031 is 130024211331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133112420031 - 2⁹ = 133112419519 is a prime.

It is a super-2 number, since 2×133112420031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133112420731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541107276 + ... + 541107521.

It is an arithmetic number, because the mean of its divisors is an integer number (22726510758).

Almost surely, 2^133112420031 is an apocalyptic number.

133112420031 is a deficient number, since it is larger than the sum of its proper divisors (48699666033).

133112420031 is a wasteful number, since it uses less digits than its factorization.

133112420031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082214841.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 133112420031 its reverse (130024211331), we get a palindrome (263136631362).

It can be divided in two parts, 13311 and 2420031, that added together give a palindrome (2433342).

The spelling of 133112420031 in words is "one hundred thirty-three billion, one hundred twelve million, four hundred twenty thousand, thirty-one".