431442941 has 2 divisors, whose sum is σ = 431442942. Its totient is φ = 431442940.

The previous prime is 431442929. The next prime is 431443031. The reversal of 431442941 is 149244134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241802500 + 189640441 = 15550^2 + 13771^2 .

It is a cyclic number.

It is not a de Polignac number, because 431442941 - 2¹⁴ = 431426557 is a prime.

It is a super-3 number, since 3×431442941³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is equal to p_22920584 and since 431442941 and 22920584 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 431442898 and 431442907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431442911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215721470 + 215721471.

It is an arithmetic number, because the mean of its divisors is an integer number (215721471).

Almost surely, 2^431442941 is an apocalyptic number.

It is an amenable number.

431442941 is a deficient number, since it is larger than the sum of its proper divisors (1).

431442941 is an equidigital number, since it uses as much as digits as its factorization.

431442941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 431442941 is about 20771.2046111919. The cubic root of 431442941 is about 755.6275594497.

The spelling of 431442941 in words is "four hundred thirty-one million, four hundred forty-two thousand, nine hundred forty-one".