133512222331 has 8 divisors (see below), whose sum is σ = 133837643024. Its totient is φ = 133186947840.

The previous prime is 133512222301. The next prime is 133512222341. The reversal of 133512222331 is 133222215331.

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 133512222331 - 2⁷ = 133512222203 is a prime.

It is a super-2 number, since 2×133512222331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133512222331.

It is not an unprimeable number, because it can be changed into a prime (133512222301) 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, 1918576 + ... + 1986946.

It is an arithmetic number, because the mean of its divisors is an integer number (16729705378).

Almost surely, 2^133512222331 is an apocalyptic number.

133512222331 is a deficient number, since it is larger than the sum of its proper divisors (325420693).

133512222331 is an equidigital number, since it uses as much as digits as its factorization.

133512222331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73101.

The product of its digits is 6480, while the sum is 28.

Adding to 133512222331 its reverse (133222215331), we get a palindrome (266734437662).

The spelling of 133512222331 in words is "one hundred thirty-three billion, five hundred twelve million, two hundred twenty-two thousand, three hundred thirty-one".