1031224413013 has 4 divisors (see below), whose sum is σ = 1091884672620. Its totient is φ = 970564153408.

The previous prime is 1031224413007. The next prime is 1031224413049. The reversal of 1031224413013 is 3103144221301.

1031224413013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 385383948849 + 645840464164 = 620793^2 + 803642^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1031224413013 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 (1031224413083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30330129778 + ... + 30330129811.

It is an arithmetic number, because the mean of its divisors is an integer number (272971168155).

Almost surely, 2^{1031224413013} is an apocalyptic number.

It is an amenable number.

1031224413013 is a deficient number, since it is larger than the sum of its proper divisors (60660259607).

1031224413013 is an equidigital number, since it uses as much as digits as its factorization.

1031224413013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60660259606.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1031224413013 its reverse (3103144221301), we get a palindrome (4134368634314).

The spelling of 1031224413013 in words is "one trillion, thirty-one billion, two hundred twenty-four million, four hundred thirteen thousand, thirteen".