431400233213 has 2 divisors, whose sum is σ = 431400233214. Its totient is φ = 431400233212.

The previous prime is 431400233207. The next prime is 431400233311. The reversal of 431400233213 is 312332004134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254123867449 + 177276365764 = 504107^2 + 421042^2 .

It is a cyclic number.

It is not a de Polignac number, because 431400233213 - 2⁴ = 431400233197 is a prime.

It is a super-2 number, since 2×431400233213² (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 (431400236213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215700116606 + 215700116607.

It is an arithmetic number, because the mean of its divisors is an integer number (215700116607).

Almost surely, 2^431400233213 is an apocalyptic number.

It is an amenable number.

431400233213 is a deficient number, since it is larger than the sum of its proper divisors (1).

431400233213 is an equidigital number, since it uses as much as digits as its factorization.

431400233213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 431400233213 its reverse (312332004134), we get a palindrome (743732237347).

The spelling of 431400233213 in words is "four hundred thirty-one billion, four hundred million, two hundred thirty-three thousand, two hundred thirteen".