65431142401 has 2 divisors, whose sum is σ = 65431142402. Its totient is φ = 65431142400.

The previous prime is 65431142351. The next prime is 65431142423. The reversal of 65431142401 is 10424113456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43838309376 + 21592833025 = 209376^2 + 146945^2 .

It is a cyclic number.

It is not a de Polignac number, because 65431142401 - 2¹⁷ = 65431011329 is a prime.

It is not a weakly prime, because it can be changed into another prime (65431142471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32715571200 + 32715571201.

It is an arithmetic number, because the mean of its divisors is an integer number (32715571201).

It is a Proth number, since it is equal to 975 ⋅ 2²⁶ + 1 and 975 < 2²⁶.

Almost surely, 2^65431142401 is an apocalyptic number.

It is an amenable number.

65431142401 is a deficient number, since it is larger than the sum of its proper divisors (1).

65431142401 is an equidigital number, since it uses as much as digits as its factorization.

65431142401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 65431142401 its reverse (10424113456), we get a palindrome (75855255857).

The spelling of 65431142401 in words is "sixty-five billion, four hundred thirty-one million, one hundred forty-two thousand, four hundred one".