202031 has 2 divisors, whose sum is σ = 202032. Its totient is φ = 202030.

The previous prime is 202021. The next prime is 202049. The reversal of 202031 is 130202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202031 - 2¹⁰ = 201007 is a prime.

It is a super-2 number, since 2×202031² = 81633049922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 202031.

It is not a weakly prime, because it can be changed into another prime (202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101015 + 101016.

It is an arithmetic number, because the mean of its divisors is an integer number (101016).

2²⁰²⁰³¹ is an apocalyptic number.

202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

202031 is an equidigital number, since it uses as much as digits as its factorization.

202031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 202031 is about 449.4785868092. The cubic root of 202031 is about 58.6776444390.

Adding to 202031 its reverse (130202), we get a palindrome (332233).

The spelling of 202031 in words is "two hundred two thousand, thirty-one".