11303020331 has 2 divisors, whose sum is σ = 11303020332. Its totient is φ = 11303020330.

The previous prime is 11303020321. The next prime is 11303020349. The reversal of 11303020331 is 13302030311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11303020331 is a prime.

It is a super-2 number, since 2×11303020331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11303020301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651510165 + 5651510166.

It is an arithmetic number, because the mean of its divisors is an integer number (5651510166).

Almost surely, 2^11303020331 is an apocalyptic number.

11303020331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303020331 is an equidigital number, since it uses as much as digits as its factorization.

11303020331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 11303020331 its reverse (13302030311), we get a palindrome (24605050642).

The spelling of 11303020331 in words is "eleven billion, three hundred three million, twenty thousand, three hundred thirty-one".