1021130311 has 2 divisors, whose sum is σ = 1021130312. Its totient is φ = 1021130310.

The previous prime is 1021130309. The next prime is 1021130321. The reversal of 1021130311 is 1130311201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021130311 - 2¹ = 1021130309 is a prime.

It is a super-2 number, since 2×1021130311² = 2085414224085913442, which contains 22 as substring.

Together with 1021130309, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1021130291 and 1021130300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021130321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510565155 + 510565156.

It is an arithmetic number, because the mean of its divisors is an integer number (510565156).

Almost surely, 2^1021130311 is an apocalyptic number.

1021130311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021130311 is an equidigital number, since it uses as much as digits as its factorization.

1021130311 is an evil number, because the sum of its binary digits is even.

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

The square root of 1021130311 is about 31955.1296508088. The cubic root of 1021130311 is about 1006.9944012914.

Adding to 1021130311 its reverse (1130311201), we get a palindrome (2151441512).

The spelling of 1021130311 in words is "one billion, twenty-one million, one hundred thirty thousand, three hundred eleven".