1020010311 has 6 divisors (see below), whose sum is σ = 1473348240. Its totient is φ = 680006868.

The previous prime is 1020010297. The next prime is 1020010331. The reversal of 1020010311 is 1130100201.

It is not a de Polignac number, because 1020010311 - 2²⁹ = 483139399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 113334479 = 1020010311 / (1 + 0 + 2 + 0 + 0 + 1 + 0 + 3 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1020010293 and 1020010302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020010331) 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 in 5 ways as a sum of consecutive naturals, for example, 56667231 + ... + 56667248.

It is an arithmetic number, because the mean of its divisors is an integer number (245558040).

Almost surely, 2^1020010311 is an apocalyptic number.

1020010311 is a deficient number, since it is larger than the sum of its proper divisors (453337929).

1020010311 is a wasteful number, since it uses less digits than its factorization.

1020010311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113334485 (or 113334482 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1020010311 is about 31937.6002699013. The cubic root of 1020010311 is about 1006.6261014725.

Adding to 1020010311 its reverse (1130100201), we get a palindrome (2150110512).

The spelling of 1020010311 in words is "one billion, twenty million, ten thousand, three hundred eleven".