133022523231 has 24 divisors (see below), whose sum is σ = 207585080976. Its totient is φ = 81598458240.

The previous prime is 133022523209. The next prime is 133022523233. The reversal of 133022523231 is 132325220331.

It is a happy number.

133022523231 is a `hidden beast` number, since 1 + 330 + 2 + 2 + 5 + 2 + 323 + 1 = 666.

It is not a de Polignac number, because 133022523231 - 2⁶ = 133022523167 is a prime.

It is a super-2 number, since 2×133022523231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133022523195 and 133022523204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133022523233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1779585 + ... + 1852826.

It is an arithmetic number, because the mean of its divisors is an integer number (8649378374).

Almost surely, 2^133022523231 is an apocalyptic number.

133022523231 is a deficient number, since it is larger than the sum of its proper divisors (74562557745).

133022523231 is a wasteful number, since it uses less digits than its factorization.

133022523231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632743 (or 3632740 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 133022523231 its reverse (132325220331), we get a palindrome (265347743562).

The spelling of 133022523231 in words is "one hundred thirty-three billion, twenty-two million, five hundred twenty-three thousand, two hundred thirty-one".