431400003389 has 2 divisors, whose sum is σ = 431400003390. Its totient is φ = 431400003388.

The previous prime is 431400003343. The next prime is 431400003439. The reversal of 431400003389 is 983300004134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391177695364 + 40222308025 = 625442^2 + 200555^2 .

It is a cyclic number.

It is not a de Polignac number, because 431400003389 - 2³² = 427105036093 is a prime.

It is a super-2 number, since 2×431400003389² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431400009389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215700001694 + 215700001695.

It is an arithmetic number, because the mean of its divisors is an integer number (215700001695).

Almost surely, 2^431400003389 is an apocalyptic number.

It is an amenable number.

431400003389 is a deficient number, since it is larger than the sum of its proper divisors (1).

431400003389 is an equidigital number, since it uses as much as digits as its factorization.

431400003389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 431400003389 in words is "four hundred thirty-one billion, four hundred million, three thousand, three hundred eighty-nine".