133031501121 has 4 divisors (see below), whose sum is σ = 177375334832. Its totient is φ = 88687667412.

The previous prime is 133031501087. The next prime is 133031501129. The reversal of 133031501121 is 121105130331.

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 not a de Polignac number, because 133031501121 - 2¹⁹ = 133030976833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133031501129) 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, 22171916851 + ... + 22171916856.

It is an arithmetic number, because the mean of its divisors is an integer number (44343833708).

Almost surely, 2^133031501121 is an apocalyptic number.

It is an amenable number.

133031501121 is a deficient number, since it is larger than the sum of its proper divisors (44343833711).

133031501121 is an equidigital number, since it uses as much as digits as its factorization.

133031501121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44343833710.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 133031501121 its reverse (121105130331), we get a palindrome (254136631452).

The spelling of 133031501121 in words is "one hundred thirty-three billion, thirty-one million, five hundred one thousand, one hundred twenty-one".