201312031133 has 12 divisors (see below), whose sum is σ = 208968508320. Its totient is φ = 193927124496.

The previous prime is 201312031103. The next prime is 201312031169. The reversal of 201312031133 is 331130213102.

It is not a de Polignac number, because 201312031133 - 2⁸ = 201312030877 is a prime.

It is a super-2 number, since 2×201312031133² (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 (201312031103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96566 + ... + 641832.

It is an arithmetic number, because the mean of its divisors is an integer number (17414042360).

Almost surely, 2^201312031133 is an apocalyptic number.

It is an amenable number.

201312031133 is a deficient number, since it is larger than the sum of its proper divisors (7656477187).

201312031133 is an equidigital number, since it uses as much as digits as its factorization.

201312031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545764 (or 545735 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201312031133 its reverse (331130213102), we get a palindrome (532442244235).

The spelling of 201312031133 in words is "two hundred one billion, three hundred twelve million, thirty-one thousand, one hundred thirty-three".