1013021311 has 2 divisors, whose sum is σ = 1013021312. Its totient is φ = 1013021310.

The previous prime is 1013021299. The next prime is 1013021341. The reversal of 1013021311 is 1131203101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013021311 - 2⁷ = 1013021183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013021291 and 1013021300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013021341) 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, 506510655 + 506510656.

It is an arithmetic number, because the mean of its divisors is an integer number (506510656).

Almost surely, 2^1013021311 is an apocalyptic number.

1013021311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013021311 is an equidigital number, since it uses as much as digits as its factorization.

1013021311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1013021311 is about 31827.9957113231. The cubic root of 1013021311 is about 1004.3217327201.

Adding to 1013021311 its reverse (1131203101), we get a palindrome (2144224412).

The spelling of 1013021311 in words is "one billion, thirteen million, twenty-one thousand, three hundred eleven".