1003231212601 has 2 divisors, whose sum is σ = 1003231212602. Its totient is φ = 1003231212600.

The previous prime is 1003231212593. The next prime is 1003231212623. The reversal of 1003231212601 is 1062121323001.

It is a happy number.

It is an a-pointer prime, because the next prime (1003231212623) can be obtained adding 1003231212601 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 617992515625 + 385238696976 = 786125^2 + 620676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003231212601 - 2³ = 1003231212593 is a prime.

It is a super-2 number, since 2×1003231212601² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1003231215601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501615606300 + 501615606301.

It is an arithmetic number, because the mean of its divisors is an integer number (501615606301).

Almost surely, 2^{1003231212601} is an apocalyptic number.

It is an amenable number.

1003231212601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003231212601 is an equidigital number, since it uses as much as digits as its factorization.

1003231212601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1003231212601 its reverse (1062121323001), we get a palindrome (2065352535602).

The spelling of 1003231212601 in words is "one trillion, three billion, two hundred thirty-one million, two hundred twelve thousand, six hundred one".