431023069 has 2 divisors, whose sum is σ = 431023070. Its totient is φ = 431023068.

The previous prime is 431023063. The next prime is 431023081. The reversal of 431023069 is 960320134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327248100 + 103774969 = 18090^2 + 10187^2 .

It is a cyclic number.

It is not a de Polignac number, because 431023069 - 2¹³ = 431014877 is a prime.

It is a super-2 number, since 2×431023069² = 371561772020357522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431023063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215511534 + 215511535.

It is an arithmetic number, because the mean of its divisors is an integer number (215511535).

Almost surely, 2^431023069 is an apocalyptic number.

It is an amenable number.

431023069 is a deficient number, since it is larger than the sum of its proper divisors (1).

431023069 is an equidigital number, since it uses as much as digits as its factorization.

431023069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 431023069 is about 20761.0950819074. The cubic root of 431023069 is about 755.3823591389.

The spelling of 431023069 in words is "four hundred thirty-one million, twenty-three thousand, sixty-nine".