133012211331 has 8 divisors (see below), whose sum is σ = 177358578880. Its totient is φ = 88670325672.

The previous prime is 133012211279. The next prime is 133012211341. The reversal of 133012211331 is 133112210331.

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 133012211331 - 2⁹ = 133012210819 is a prime.

It is a super-2 number, since 2×133012211331² (a number of 23 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 = 133012211298 and 133012211307.

It is not an unprimeable number, because it can be changed into a prime (133012211341) 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, 1050601 + ... + 1170378.

It is an arithmetic number, because the mean of its divisors is an integer number (22169822360).

Almost surely, 2^133012211331 is an apocalyptic number.

133012211331 is a deficient number, since it is larger than the sum of its proper divisors (44346367549).

133012211331 is a wasteful number, since it uses less digits than its factorization.

133012211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240945.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133012211331 its reverse (133112210331), we get a palindrome (266124421662).

The spelling of 133012211331 in words is "one hundred thirty-three billion, twelve million, two hundred eleven thousand, three hundred thirty-one".