653321052331 has 2 divisors, whose sum is σ = 653321052332. Its totient is φ = 653321052330.

The previous prime is 653321052313. The next prime is 653321052353. The reversal of 653321052331 is 133250123356.

Together with previous prime (653321052313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653321052331 - 2¹⁹ = 653320528043 is a prime.

It is a super-2 number, since 2×653321052331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (653321052311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326660526165 + 326660526166.

It is an arithmetic number, because the mean of its divisors is an integer number (326660526166).

Almost surely, 2^653321052331 is an apocalyptic number.

653321052331 is a deficient number, since it is larger than the sum of its proper divisors (1).

653321052331 is an equidigital number, since it uses as much as digits as its factorization.

653321052331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 653321052331 its reverse (133250123356), we get a palindrome (786571175687).

The spelling of 653321052331 in words is "six hundred fifty-three billion, three hundred twenty-one million, fifty-two thousand, three hundred thirty-one".