133021033313 has 4 divisors (see below), whose sum is σ = 152024038080. Its totient is φ = 114018028548.

The previous prime is 133021033309. The next prime is 133021033333. The reversal of 133021033313 is 313330120331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313330120331 = 3643 ⋅86008817.

It is a cyclic number.

It is not a de Polignac number, because 133021033313 - 2² = 133021033309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133021033303) 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, 9501502373 + ... + 9501502386.

It is an arithmetic number, because the mean of its divisors is an integer number (38006009520).

Almost surely, 2^133021033313 is an apocalyptic number.

It is an amenable number.

133021033313 is a deficient number, since it is larger than the sum of its proper divisors (19003004767).

133021033313 is an equidigital number, since it uses as much as digits as its factorization.

133021033313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19003004766.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 133021033313 its reverse (313330120331), we get a palindrome (446351153644).

The spelling of 133021033313 in words is "one hundred thirty-three billion, twenty-one million, thirty-three thousand, three hundred thirteen".