133030031321 has 4 divisors (see below), whose sum is σ = 145123670544. Its totient is φ = 120936392100.

The previous prime is 133030031273. The next prime is 133030031341. The reversal of 133030031321 is 123130030331.

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.

It is a cyclic number.

It is not a de Polignac number, because 133030031321 - 2⁶ = 133030031257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133030031293 and 133030031302.

It is not an unprimeable number, because it can be changed into a prime (133030031341) 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, 6046819595 + ... + 6046819616.

It is an arithmetic number, because the mean of its divisors is an integer number (36280917636).

Almost surely, 2^133030031321 is an apocalyptic number.

133030031321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133030031321 is a deficient number, since it is larger than the sum of its proper divisors (12093639223).

133030031321 is a wasteful number, since it uses less digits than its factorization.

133030031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093639222.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 133030031321 its reverse (123130030331), we get a palindrome (256160061652).

The spelling of 133030031321 in words is "one hundred thirty-three billion, thirty million, thirty-one thousand, three hundred twenty-one".