1013433420325 has 6 divisors (see below), whose sum is σ = 1256657441234. Its totient is φ = 810746736240.

The previous prime is 1013433420323. The next prime is 1013433420331. The reversal of 1013433420325 is 5230243343101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6063892641 + 1007369527684 = 77871^2 + 1003678^2 .

It is not a de Polignac number, because 1013433420325 - 2¹ = 1013433420323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013433420323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20268668382 + ... + 20268668431.

Almost surely, 2^{1013433420325} is an apocalyptic number.

It is an amenable number.

1013433420325 is a deficient number, since it is larger than the sum of its proper divisors (243224020909).

1013433420325 is an equidigital number, since it uses as much as digits as its factorization.

1013433420325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40537336823 (or 40537336818 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1013433420325 its reverse (5230243343101), we get a palindrome (6243676763426).

The spelling of 1013433420325 in words is "one trillion, thirteen billion, four hundred thirty-three million, four hundred twenty thousand, three hundred twenty-five".