1103031320051 has 2 divisors, whose sum is σ = 1103031320052. Its totient is φ = 1103031320050.

The previous prime is 1103031320033. The next prime is 1103031320099. The reversal of 1103031320051 is 1500231303011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103031320051 - 2⁶ = 1103031319987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103031320851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551515660025 + 551515660026.

It is an arithmetic number, because the mean of its divisors is an integer number (551515660026).

Almost surely, 2^{1103031320051} is an apocalyptic number.

1103031320051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103031320051 is an equidigital number, since it uses as much as digits as its factorization.

1103031320051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 1103031320051 its reverse (1500231303011), we get a palindrome (2603262623062).

The spelling of 1103031320051 in words is "one trillion, one hundred three billion, thirty-one million, three hundred twenty thousand, fifty-one".