1031122113013 has 4 divisors (see below), whose sum is σ = 1031330720448. Its totient is φ = 1030913505580.

The previous prime is 1031122113011. The next prime is 1031122113023. The reversal of 1031122113013 is 3103112211301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1031122113013 - 2¹ = 1031122113011 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 (1031122113011) 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, 104296303 + ... + 104306188.

It is an arithmetic number, because the mean of its divisors is an integer number (257832680112).

Almost surely, 2^{1031122113013} is an apocalyptic number.

It is an amenable number.

1031122113013 is a deficient number, since it is larger than the sum of its proper divisors (208607435).

1031122113013 is an equidigital number, since it uses as much as digits as its factorization.

1031122113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208607434.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1031122113013 its reverse (3103112211301), we get a palindrome (4134234324314).

It can be divided in two parts, 103112211301 and 3, that multiplied together give a palindrome (309336633903).

The spelling of 1031122113013 in words is "one trillion, thirty-one billion, one hundred twenty-two million, one hundred thirteen thousand, thirteen".