431211007 has 2 divisors, whose sum is σ = 431211008. Its totient is φ = 431211006.

The previous prime is 431210971. The next prime is 431211047. The reversal of 431211007 is 700112134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431211007 - 2¹⁵ = 431178239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431211047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215605503 + 215605504.

It is an arithmetic number, because the mean of its divisors is an integer number (215605504).

Almost surely, 2^431211007 is an apocalyptic number.

431211007 is a deficient number, since it is larger than the sum of its proper divisors (1).

431211007 is an equidigital number, since it uses as much as digits as its factorization.

431211007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 431211007 is about 20765.6207949582. The cubic root of 431211007 is about 755.4921323981.

The spelling of 431211007 in words is "four hundred thirty-one million, two hundred eleven thousand, seven".