133231312132231 has 8 divisors (see below), whose sum is σ = 140560063182720. Its totient is φ = 125934218754552.

The previous prime is 133231312132229. The next prime is 133231312132249. The reversal of 133231312132231 is 132231213132331.

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 133231312132231 - 2¹ = 133231312132229 is a prime.

It is a super-2 number, since 2×133231312132231² (a number of 29 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 = 133231312132193 and 133231312132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133231312132211) 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, 7914409555 + ... + 7914426388.

It is an arithmetic number, because the mean of its divisors is an integer number (17570007897840).

Almost surely, 2^{133231312132231} is an apocalyptic number.

133231312132231 is a deficient number, since it is larger than the sum of its proper divisors (7328751050489).

133231312132231 is a wasteful number, since it uses less digits than its factorization.

133231312132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15828836405.

The product of its digits is 11664, while the sum is 31.

Adding to 133231312132231 its reverse (132231213132331), we get a palindrome (265462525264562).

The spelling of 133231312132231 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, three hundred twelve million, one hundred thirty-two thousand, two hundred thirty-one".