1011315203 has 2 divisors, whose sum is σ = 1011315204. Its totient is φ = 1011315202.

The previous prime is 1011315197. The next prime is 1011315251. The reversal of 1011315203 is 3025131101.

It is a weak prime.

It is an emirp because it is prime and its reverse (3025131101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011315203 - 2²⁴ = 994537987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011315293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505657601 + 505657602.

It is an arithmetic number, because the mean of its divisors is an integer number (505657602).

Almost surely, 2^1011315203 is an apocalyptic number.

1011315203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011315203 is an equidigital number, since it uses as much as digits as its factorization.

1011315203 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 1011315203 is about 31801.1824151241. The cubic root of 1011315203 is about 1003.7575971121.

Adding to 1011315203 its reverse (3025131101), we get a palindrome (4036446304).

The spelling of 1011315203 in words is "one billion, eleven million, three hundred fifteen thousand, two hundred three".