1323310124251 has 2 divisors, whose sum is σ = 1323310124252. Its totient is φ = 1323310124250.

The previous prime is 1323310124243. The next prime is 1323310124267. The reversal of 1323310124251 is 1524210133231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323310124251 - 2³ = 1323310124243 is a prime.

It is a super-2 number, since 2×1323310124251² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1323310124231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661655062125 + 661655062126.

It is an arithmetic number, because the mean of its divisors is an integer number (661655062126).

Almost surely, 2^{1323310124251} is an apocalyptic number.

1323310124251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323310124251 is an equidigital number, since it uses as much as digits as its factorization.

1323310124251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1323310124251 its reverse (1524210133231), we get a palindrome (2847520257482).

The spelling of 1323310124251 in words is "one trillion, three hundred twenty-three billion, three hundred ten million, one hundred twenty-four thousand, two hundred fifty-one".