1013111131203 has 16 divisors (see below), whose sum is σ = 1514932536960. Its totient is φ = 669095200008.

The previous prime is 1013111131121. The next prime is 1013111131213. The reversal of 1013111131203 is 3021311113101.

It is not a de Polignac number, because 1013111131203 - 2¹⁷ = 1013111000131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013111131213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175336525 + ... + 175342302.

It is an arithmetic number, because the mean of its divisors is an integer number (94683283560).

Almost surely, 2^{1013111131203} is an apocalyptic number.

1013111131203 is a deficient number, since it is larger than the sum of its proper divisors (501821405757).

1013111131203 is a wasteful number, since it uses less digits than its factorization.

1013111131203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350678943 (or 350678937 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1013111131203 its reverse (3021311113101), we get a palindrome (4034422244304).

The spelling of 1013111131203 in words is "one trillion, thirteen billion, one hundred eleven million, one hundred thirty-one thousand, two hundred three".