1313012121131 has 16 divisors (see below), whose sum is σ = 1380658403040. Its totient is φ = 1246860276480.

The previous prime is 1313012121089. The next prime is 1313012121143. The reversal of 1313012121131 is 1311212103131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313012121131 is a prime.

It is a super-2 number, since 2×1313012121131² (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 (1313012121151) 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, 40276220 + ... + 40308806.

It is an arithmetic number, because the mean of its divisors is an integer number (86291150190).

Almost surely, 2^{1313012121131} is an apocalyptic number.

1313012121131 is a deficient number, since it is larger than the sum of its proper divisors (67646281909).

1313012121131 is a wasteful number, since it uses less digits than its factorization.

1313012121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55454.

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

Adding to 1313012121131 its reverse (1311212103131), we get a palindrome (2624224224262).

The spelling of 1313012121131 in words is "one trillion, three hundred thirteen billion, twelve million, one hundred twenty-one thousand, one hundred thirty-one".