202034431 has 2 divisors, whose sum is σ = 202034432. Its totient is φ = 202034430.

The previous prime is 202034419. The next prime is 202034447. The reversal of 202034431 is 134430202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202034431 - 2⁷ = 202034303 is a prime.

It is a super-2 number, since 2×202034431² = 81635822618987522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 202034399 and 202034408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202034401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101017215 + 101017216.

It is an arithmetic number, because the mean of its divisors is an integer number (101017216).

Almost surely, 2^202034431 is an apocalyptic number.

202034431 is a deficient number, since it is larger than the sum of its proper divisors (1).

202034431 is an equidigital number, since it uses as much as digits as its factorization.

202034431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 202034431 is about 14213.8816302937. The cubic root of 202034431 is about 586.7797660235.

Adding to 202034431 its reverse (134430202), we get a palindrome (336464633).

The spelling of 202034431 in words is "two hundred two million, thirty-four thousand, four hundred thirty-one".