1020023311 has 2 divisors, whose sum is σ = 1020023312. Its totient is φ = 1020023310.

The previous prime is 1020023309. The next prime is 1020023327. The reversal of 1020023311 is 1133200201.

1020023311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020023311 - 2¹ = 1020023309 is a prime.

Together with 1020023309, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020023291 and 1020023300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020024311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510011655 + 510011656.

It is an arithmetic number, because the mean of its divisors is an integer number (510011656).

Almost surely, 2^1020023311 is an apocalyptic number.

1020023311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020023311 is an equidigital number, since it uses as much as digits as its factorization.

1020023311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1020023311 is about 31937.8037911188. The cubic root of 1020023311 is about 1006.6303779272.

Adding to 1020023311 its reverse (1133200201), we get a palindrome (2153223512).

The spelling of 1020023311 in words is "one billion, twenty million, twenty-three thousand, three hundred eleven".