321420010203151 has 2 divisors, whose sum is σ = 321420010203152. Its totient is φ = 321420010203150.

The previous prime is 321420010203143. The next prime is 321420010203217. The reversal of 321420010203151 is 151302010024123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321420010203151 - 2³ = 321420010203143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321420010200151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160710005101575 + 160710005101576.

It is an arithmetic number, because the mean of its divisors is an integer number (160710005101576).

Almost surely, 2^{321420010203151} is an apocalyptic number.

321420010203151 is a deficient number, since it is larger than the sum of its proper divisors (1).

321420010203151 is an equidigital number, since it uses as much as digits as its factorization.

321420010203151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 321420010203151 its reverse (151302010024123), we get a palindrome (472722020227274).

The spelling of 321420010203151 in words is "three hundred twenty-one trillion, four hundred twenty billion, ten million, two hundred three thousand, one hundred fifty-one".