1025312444013 has 32 divisors (see below), whose sum is σ = 1606272192000. Its totient is φ = 573534095040.

The previous prime is 1025312443997. The next prime is 1025312444021. The reversal of 1025312444013 is 3104442135201.

It is not a de Polignac number, because 1025312444013 - 2⁴ = 1025312443997 is a prime.

It is a super-2 number, since 2×1025312444013² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025312444033) 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 31 ways as a sum of consecutive naturals, for example, 3640738 + ... + 3912236.

It is an arithmetic number, because the mean of its divisors is an integer number (50196006000).

Almost surely, 2^{1025312444013} is an apocalyptic number.

1025312444013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1025312444013 is a deficient number, since it is larger than the sum of its proper divisors (580959747987).

1025312444013 is a wasteful number, since it uses less digits than its factorization.

1025312444013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280329.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1025312444013 its reverse (3104442135201), we get a palindrome (4129754579214).

The spelling of 1025312444013 in words is "one trillion, twenty-five billion, three hundred twelve million, four hundred forty-four thousand, thirteen".