431413361 has 2 divisors, whose sum is σ = 431413362. Its totient is φ = 431413360.

The previous prime is 431413351. The next prime is 431413393. The reversal of 431413361 is 163314134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417425761 + 13987600 = 20431^2 + 3740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431413361 is a prime.

It is a super-2 number, since 2×431413361² = 372234976098632642, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431413361.

It is not a weakly prime, because it can be changed into another prime (431413331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215706680 + 215706681.

It is an arithmetic number, because the mean of its divisors is an integer number (215706681).

Almost surely, 2^431413361 is an apocalyptic number.

It is an amenable number.

431413361 is a deficient number, since it is larger than the sum of its proper divisors (1).

431413361 is an equidigital number, since it uses as much as digits as its factorization.

431413361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 431413361 is about 20770.4925555462. The cubic root of 431413361 is about 755.6102902878.

Adding to 431413361 its reverse (163314134), we get a palindrome (594727495).

The spelling of 431413361 in words is "four hundred thirty-one million, four hundred thirteen thousand, three hundred sixty-one".