1303011131 has 2 divisors, whose sum is σ = 1303011132. Its totient is φ = 1303011130.

The previous prime is 1303011103. The next prime is 1303011133. The reversal of 1303011131 is 1311103031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1303011131 - 2²⁶ = 1235902267 is a prime.

It is a super-2 number, since 2×1303011131² = 3395676015019798322, which contains 22 as substring.

Together with 1303011133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1303011133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651505565 + 651505566.

It is an arithmetic number, because the mean of its divisors is an integer number (651505566).

Almost surely, 2^1303011131 is an apocalyptic number.

1303011131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303011131 is an equidigital number, since it uses as much as digits as its factorization.

1303011131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1303011131 is about 36097.2454766288. The cubic root of 1303011131 is about 1092.2348812355.

Adding to 1303011131 its reverse (1311103031), we get a palindrome (2614114162).

The spelling of 1303011131 in words is "one billion, three hundred three million, eleven thousand, one hundred thirty-one".