431313151 has 2 divisors, whose sum is σ = 431313152. Its totient is φ = 431313150.

The previous prime is 431313139. The next prime is 431313161. The reversal of 431313151 is 151313134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431313151 - 2¹⁹ = 430788863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431313101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215656575 + 215656576.

It is an arithmetic number, because the mean of its divisors is an integer number (215656576).

Almost surely, 2^431313151 is an apocalyptic number.

431313151 is a deficient number, since it is larger than the sum of its proper divisors (1).

431313151 is an equidigital number, since it uses as much as digits as its factorization.

431313151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 22.

The square root of 431313151 is about 20768.0800990366. The cubic root of 431313151 is about 755.5517806096.

Adding to 431313151 its reverse (151313134), we get a palindrome (582626285).

The spelling of 431313151 in words is "four hundred thirty-one million, three hundred thirteen thousand, one hundred fifty-one".