11232031201031 has 2 divisors, whose sum is σ = 11232031201032. Its totient is φ = 11232031201030.

The previous prime is 11232031200983. The next prime is 11232031201057. The reversal of 11232031201031 is 13010213023211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13010213023211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11232031201031 is a prime.

It is a super-2 number, since 2×11232031201031² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11232031200994 and 11232031201012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11232031203031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616015600515 + 5616015600516.

It is an arithmetic number, because the mean of its divisors is an integer number (5616015600516).

Almost surely, 2^{11232031201031} is an apocalyptic number.

11232031201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11232031201031 is an equidigital number, since it uses as much as digits as its factorization.

11232031201031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11232031201031 its reverse (13010213023211), we get a palindrome (24242244224242).

The spelling of 11232031201031 in words is "eleven trillion, two hundred thirty-two billion, thirty-one million, two hundred one thousand, thirty-one".