202430431 has 8 divisors (see below), whose sum is σ = 232018560. Its totient is φ = 173009688.

The previous prime is 202430413. The next prime is 202430453. The reversal of 202430431 is 134034202.

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 202430431 - 2⁹ = 202429919 is a prime.

It is a super-2 number, since 2×202430431² = 81956158789691522, 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 = 202430399 and 202430408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202430401) 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, 39241 + ... + 44098.

It is an arithmetic number, because the mean of its divisors is an integer number (29002320).

Almost surely, 2^202430431 is an apocalyptic number.

202430431 is a deficient number, since it is larger than the sum of its proper divisors (29588129).

202430431 is an equidigital number, since it uses as much as digits as its factorization.

202430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83693.

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

The square root of 202430431 is about 14227.8048552825. The cubic root of 202430431 is about 587.1628907131.

Adding to 202430431 its reverse (134034202), we get a palindrome (336464633).

The spelling of 202430431 in words is "two hundred two million, four hundred thirty thousand, four hundred thirty-one".