1012503311 has 2 divisors, whose sum is σ = 1012503312. Its totient is φ = 1012503310.

The previous prime is 1012503299. The next prime is 1012503313. The reversal of 1012503311 is 1133052101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012503311 is a prime.

Together with 1012503313, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012503311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012503313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506251655 + 506251656.

It is an arithmetic number, because the mean of its divisors is an integer number (506251656).

Almost surely, 2^1012503311 is an apocalyptic number.

1012503311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012503311 is an equidigital number, since it uses as much as digits as its factorization.

1012503311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1012503311 is about 31819.8571806977. The cubic root of 1012503311 is about 1004.1505196863.

Adding to 1012503311 its reverse (1133052101), we get a palindrome (2145555412).

The spelling of 1012503311 in words is "one billion, twelve million, five hundred three thousand, three hundred eleven".