133021333111031 has 4 divisors (see below), whose sum is σ = 136616504276232. Its totient is φ = 129426161945832.

The previous prime is 133021333111013. The next prime is 133021333111109. The reversal of 133021333111031 is 130111333120331.

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

It is a cyclic number.

It is not a de Polignac number, because 133021333111031 - 2¹⁰ = 133021333110007 is a prime.

It is a super-2 number, since 2×133021333111031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133021333111831) 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, 1797585582545 + ... + 1797585582618.

It is an arithmetic number, because the mean of its divisors is an integer number (34154126069058).

Almost surely, 2^{133021333111031} is an apocalyptic number.

133021333111031 is a deficient number, since it is larger than the sum of its proper divisors (3595171165201).

133021333111031 is an equidigital number, since it uses as much as digits as its factorization.

133021333111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595171165200.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 133021333111031 its reverse (130111333120331), we get a palindrome (263132666231362).

The spelling of 133021333111031 in words is "one hundred thirty-three trillion, twenty-one billion, three hundred thirty-three million, one hundred eleven thousand, thirty-one".