431346061 has 2 divisors, whose sum is σ = 431346062. Its totient is φ = 431346060.

The previous prime is 431346031. The next prime is 431346089. The reversal of 431346061 is 160643134.

It is an a-pointer prime, because the next prime (431346089) can be obtained adding 431346061 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218477961 + 212868100 = 14781^2 + 14590^2 .

It is a cyclic number.

It is not a de Polignac number, because 431346061 - 2¹³ = 431337869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431346031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215673030 + 215673031.

It is an arithmetic number, because the mean of its divisors is an integer number (215673031).

Almost surely, 2^431346061 is an apocalyptic number.

It is an amenable number.

431346061 is a deficient number, since it is larger than the sum of its proper divisors (1).

431346061 is an equidigital number, since it uses as much as digits as its factorization.

431346061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 431346061 is about 20768.8724055978. The cubic root of 431346061 is about 755.5709967921.

Adding to 431346061 its reverse (160643134), we get a palindrome (591989195).

The spelling of 431346061 in words is "four hundred thirty-one million, three hundred forty-six thousand, sixty-one".