133031544231 has 8 divisors (see below), whose sum is σ = 177568405120. Its totient is φ = 88591189752.

The previous prime is 133031544229. The next prime is 133031544259. The reversal of 133031544231 is 132445130331.

It is a happy number.

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

It is not a de Polignac number, because 133031544231 - 2¹ = 133031544229 is a prime.

It is a super-2 number, since 2×133031544231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133031544221) 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, 24123385 + ... + 24128898.

It is an arithmetic number, because the mean of its divisors is an integer number (22196050640).

Almost surely, 2^133031544231 is an apocalyptic number.

133031544231 is a deficient number, since it is larger than the sum of its proper divisors (44536860889).

133031544231 is an equidigital number, since it uses as much as digits as its factorization.

133031544231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48253205.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 133031544231 its reverse (132445130331), we get a palindrome (265476674562).

The spelling of 133031544231 in words is "one hundred thirty-three billion, thirty-one million, five hundred forty-four thousand, two hundred thirty-one".