202030031 has 8 divisors (see below), whose sum is σ = 231004800. Its totient is φ = 173083608.

The previous prime is 202030009. The next prime is 202030033. The reversal of 202030031 is 130030202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202030031 - 2²⁶ = 134921167 is a prime.

It is a super-2 number, since 2×202030031² = 81632266851721922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202029994 and 202030021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202030033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11420 + ... + 23118.

It is an arithmetic number, because the mean of its divisors is an integer number (28875600).

Almost surely, 2^202030031 is an apocalyptic number.

202030031 is a deficient number, since it is larger than the sum of its proper divisors (28974769).

202030031 is a wasteful number, since it uses less digits than its factorization.

202030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14173.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 202030031 is about 14213.7268511816. The cubic root of 202030031 is about 586.7755062715.

Adding to 202030031 its reverse (130030202), we get a palindrome (332060233).

The spelling of 202030031 in words is "two hundred two million, thirty thousand, thirty-one".