1303135111 has 2 divisors, whose sum is σ = 1303135112. Its totient is φ = 1303135110.

The previous prime is 1303135087. The next prime is 1303135133. The reversal of 1303135111 is 1115313031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1303135111 - 2¹⁷ = 1303004039 is a prime.

It is a super-2 number, since 2×1303135111² = 3396322235041964642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303135181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651567555 + 651567556.

It is an arithmetic number, because the mean of its divisors is an integer number (651567556).

Almost surely, 2^1303135111 is an apocalyptic number.

1303135111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303135111 is an equidigital number, since it uses as much as digits as its factorization.

1303135111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1303135111 is about 36098.9627413309. The cubic root of 1303135111 is about 1092.2695217648.

Adding to 1303135111 its reverse (1115313031), we get a palindrome (2418448142).

It can be divided in two parts, 130313 and 5111, that added together give a square (135424 = 368²).

The spelling of 1303135111 in words is "one billion, three hundred three million, one hundred thirty-five thousand, one hundred eleven".