1131313121313 has 16 divisors (see below), whose sum is σ = 1523438684352. Its totient is φ = 746699000000.

The previous prime is 1131313121269. The next prime is 1131313121327. The reversal of 1131313121313 is 3131213131311.

It is a cyclic number.

It is not a de Polignac number, because 1131313121313 - 2²¹ = 1131311024161 is a prime.

It is a super-3 number, since 3×1131313121313³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131313121333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5788438 + ... + 5980688.

It is an arithmetic number, because the mean of its divisors is an integer number (95214917772).

Almost surely, 2^{1131313121313} is an apocalyptic number.

It is an amenable number.

1131313121313 is a deficient number, since it is larger than the sum of its proper divisors (392125563039).

1131313121313 is a wasteful number, since it uses less digits than its factorization.

1131313121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211776.

The product of its digits is 486, while the sum is 24.

Adding to 1131313121313 its reverse (3131213131311), we get a palindrome (4262526252624).

The spelling of 1131313121313 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, one hundred twenty-one thousand, three hundred thirteen".