1111231003 has 2 divisors, whose sum is σ = 1111231004. Its totient is φ = 1111231002.

The previous prime is 1111230977. The next prime is 1111231013. The reversal of 1111231003 is 3001321111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111231003 - 2¹³ = 1111222811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111231013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555615501 + 555615502.

It is an arithmetic number, because the mean of its divisors is an integer number (555615502).

Almost surely, 2^1111231003 is an apocalyptic number.

1111231003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111231003 is an equidigital number, since it uses as much as digits as its factorization.

1111231003 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 1111231003 is about 33335.1316631568. The cubic root of 1111231003 is about 1035.7814205089.

Adding to 1111231003 its reverse (3001321111), we get a palindrome (4112552114).

The spelling of 1111231003 in words is "one billion, one hundred eleven million, two hundred thirty-one thousand, three".