133021032313 has 4 divisors (see below), whose sum is σ = 143253419428. Its totient is φ = 122788645200.

The previous prime is 133021032311. The next prime is 133021032341. The reversal of 133021032313 is 313230120331.

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 39383196304 + 93637836009 = 198452^2 + 306003^2 .

It is not a de Polignac number, because 133021032313 - 2¹ = 133021032311 is a prime.

It is a super-3 number, since 3×133021032313³ (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 (133021032311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5116193538 + ... + 5116193563.

It is an arithmetic number, because the mean of its divisors is an integer number (35813354857).

Almost surely, 2^133021032313 is an apocalyptic number.

133021032313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133021032313 is a deficient number, since it is larger than the sum of its proper divisors (10232387115).

133021032313 is a wasteful number, since it uses less digits than its factorization.

133021032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232387114.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133021032313 its reverse (313230120331), we get a palindrome (446251152644).

The spelling of 133021032313 in words is "one hundred thirty-three billion, twenty-one million, thirty-two thousand, three hundred thirteen".