1012321131113 has 4 divisors (see below), whose sum is σ = 1012380220500. Its totient is φ = 1012262041728.

The previous prime is 1012321131109. The next prime is 1012321131121. The reversal of 1012321131113 is 3111311232101.

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 174296230144 + 838024900969 = 417488^2 + 915437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012321131113 - 2² = 1012321131109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012321131163) 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, 29518988 + ... + 29553261.

It is an arithmetic number, because the mean of its divisors is an integer number (253095055125).

Almost surely, 2^{1012321131113} is an apocalyptic number.

It is an amenable number.

1012321131113 is a deficient number, since it is larger than the sum of its proper divisors (59089387).

1012321131113 is an equidigital number, since it uses as much as digits as its factorization.

1012321131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59089386.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1012321131113 its reverse (3111311232101), we get a palindrome (4123632363214).

The spelling of 1012321131113 in words is "one trillion, twelve billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred thirteen".