202133113031 has 4 divisors (see below), whose sum is σ = 208653536064. Its totient is φ = 195612690000.

The previous prime is 202133113019. The next prime is 202133113087. The reversal of 202133113031 is 130311331202.

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 202133113031 - 2³⁰ = 201059371207 is a prime.

It is a super-2 number, since 2×202133113031² (a number of 23 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 = 202133112994 and 202133113012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202133119031) 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, 3260211470 + ... + 3260211531.

It is an arithmetic number, because the mean of its divisors is an integer number (52163384016).

Almost surely, 2^202133113031 is an apocalyptic number.

202133113031 is a deficient number, since it is larger than the sum of its proper divisors (6520423033).

202133113031 is an equidigital number, since it uses as much as digits as its factorization.

202133113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520423032.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 202133113031 its reverse (130311331202), we get a palindrome (332444444233).

The spelling of 202133113031 in words is "two hundred two billion, one hundred thirty-three million, one hundred thirteen thousand, thirty-one".