331121032033133 has 4 divisors (see below), whose sum is σ = 331123143702300. Its totient is φ = 331118920363968.

The previous prime is 331121032033111. The next prime is 331121032033147. The reversal of 331121032033133 is 331330230121133.

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 212433015306724 + 118688016726409 = 14575082^2 + 10894403^2 .

It is a cyclic number.

It is not a de Polignac number, because 331121032033133 - 2³⁴ = 331103852163949 is a prime.

It is a super-2 number, since 2×331121032033133² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331121032033096 and 331121032033105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331121032083133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055599358 + ... + 1055912991.

It is an arithmetic number, because the mean of its divisors is an integer number (82780785925575).

Almost surely, 2^{331121032033133} is an apocalyptic number.

It is an amenable number.

331121032033133 is a deficient number, since it is larger than the sum of its proper divisors (2111669167).

331121032033133 is a wasteful number, since it uses less digits than its factorization.

331121032033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111669166.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 331121032033133 its reverse (331330230121133), we get a palindrome (662451262154266).

The spelling of 331121032033133 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, thirty-two million, thirty-three thousand, one hundred thirty-three".