2311201201003 has 2 divisors, whose sum is σ = 2311201201004. Its totient is φ = 2311201201002.

The previous prime is 2311201200989. The next prime is 2311201201021. The reversal of 2311201201003 is 3001021021132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311201201003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311201201073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155600600501 + 1155600600502.

It is an arithmetic number, because the mean of its divisors is an integer number (1155600600502).

Almost surely, 2^{2311201201003} is an apocalyptic number.

2311201201003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311201201003 is an equidigital number, since it uses as much as digits as its factorization.

2311201201003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2311201201003 its reverse (3001021021132), we get a palindrome (5312222222135).

The spelling of 2311201201003 in words is "two trillion, three hundred eleven billion, two hundred one million, two hundred one thousand, three".