1303121133131 has 2 divisors, whose sum is σ = 1303121133132. Its totient is φ = 1303121133130.

The previous prime is 1303121133109. The next prime is 1303121133163. The reversal of 1303121133131 is 1313311213031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303121133131 is a prime.

It is a super-2 number, since 2×1303121133131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1303121133097 and 1303121133106.

It is not a weakly prime, because it can be changed into another prime (1303121133191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651560566565 + 651560566566.

It is an arithmetic number, because the mean of its divisors is an integer number (651560566566).

Almost surely, 2^{1303121133131} is an apocalyptic number.

1303121133131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303121133131 is an equidigital number, since it uses as much as digits as its factorization.

1303121133131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1303121133131 its reverse (1313311213031), we get a palindrome (2616432346162).

The spelling of 1303121133131 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred thirty-one".