431040419 has 2 divisors, whose sum is σ = 431040420. Its totient is φ = 431040418.

The previous prime is 431040383. The next prime is 431040473. The reversal of 431040419 is 914040134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431040419 - 2¹² = 431036323 is a prime.

It is a super-2 number, since 2×431040419² = 371591685623391122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (431040319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215520209 + 215520210.

It is an arithmetic number, because the mean of its divisors is an integer number (215520210).

Almost surely, 2^431040419 is an apocalyptic number.

431040419 is a deficient number, since it is larger than the sum of its proper divisors (1).

431040419 is an equidigital number, since it uses as much as digits as its factorization.

431040419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 431040419 is about 20761.5129265668. The cubic root of 431040419 is about 755.3924944882.

The spelling of 431040419 in words is "four hundred thirty-one million, forty thousand, four hundred nineteen".