133031334313 has 4 divisors (see below), whose sum is σ = 134251805380. Its totient is φ = 131810863248.

The previous prime is 133031334259. The next prime is 133031334329. The reversal of 133031334313 is 313433130331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42678188569 + 90353145744 = 206587^2 + 300588^2 .

It is a cyclic number.

It is not a de Polignac number, because 133031334313 - 2¹³ = 133031326121 is a prime.

It is a super-3 number, since 3×133031334313³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133031334613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610235370 + ... + 610235587.

It is an arithmetic number, because the mean of its divisors is an integer number (33562951345).

Almost surely, 2^133031334313 is an apocalyptic number.

It is an amenable number.

133031334313 is a deficient number, since it is larger than the sum of its proper divisors (1220471067).

133031334313 is a wasteful number, since it uses less digits than its factorization.

133031334313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220471066.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 133031334313 its reverse (313433130331), we get a palindrome (446464464644).

The spelling of 133031334313 in words is "one hundred thirty-three billion, thirty-one million, three hundred thirty-four thousand, three hundred thirteen".