1012003132313 has 4 divisors (see below), whose sum is σ = 1012587094308. Its totient is φ = 1011419170320.

The previous prime is 1012003132303. The next prime is 1012003132331. The reversal of 1012003132313 is 3132313002101.

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 182716067209 + 829287065104 = 427453^2 + 910652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012003132313 - 2⁴ = 1012003132297 is a prime.

It is a super-2 number, since 2×1012003132313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012003132303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291978398 + ... + 291981863.

It is an arithmetic number, because the mean of its divisors is an integer number (253146773577).

Almost surely, 2^{1012003132313} is an apocalyptic number.

It is an amenable number.

1012003132313 is a deficient number, since it is larger than the sum of its proper divisors (583961995).

1012003132313 is an equidigital number, since it uses as much as digits as its factorization.

1012003132313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583961994.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1012003132313 its reverse (3132313002101), we get a palindrome (4144316134414).

The spelling of 1012003132313 in words is "one trillion, twelve billion, three million, one hundred thirty-two thousand, three hundred thirteen".