1131313130103 has 32 divisors (see below), whose sum is σ = 1629365282496. Its totient is φ = 694089197568.

The previous prime is 1131313130083. The next prime is 1131313130149. The reversal of 1131313130103 is 3010313131311.

It is not a de Polignac number, because 1131313130103 - 2²⁹ = 1130776259191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131313130103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131313130903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17208351 + ... + 17273967.

It is an arithmetic number, because the mean of its divisors is an integer number (50917665078).

Almost surely, 2^{1131313130103} is an apocalyptic number.

1131313130103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1131313130103 is a deficient number, since it is larger than the sum of its proper divisors (498052152393).

1131313130103 is a wasteful number, since it uses less digits than its factorization.

1131313130103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66963.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 1131313130103 its reverse (3010313131311), we get a palindrome (4141626261414).

The spelling of 1131313130103 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, one hundred thirty thousand, one hundred three".