1303131031 has 2 divisors, whose sum is σ = 1303131032. Its totient is φ = 1303131030.

The previous prime is 1303131019. The next prime is 1303131041. The reversal of 1303131031 is 1301313031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1303131031 - 2⁵ = 1303130999 is a prime.

It is a super-2 number, since 2×1303131031² = 3396300967910245922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1303130996 and 1303131014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651565515 + 651565516.

It is an arithmetic number, because the mean of its divisors is an integer number (651565516).

Almost surely, 2^1303131031 is an apocalyptic number.

1303131031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303131031 is an equidigital number, since it uses as much as digits as its factorization.

1303131031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1303131031 is about 36098.9062299677. The cubic root of 1303131031 is about 1092.2683818308.

Adding to 1303131031 its reverse (1301313031), we get a palindrome (2604444062).

The spelling of 1303131031 in words is "one billion, three hundred three million, one hundred thirty-one thousand, thirty-one".