1303231012211 has 4 divisors (see below), whose sum is σ = 1308186263472. Its totient is φ = 1298275760952.

The previous prime is 1303231012207. The next prime is 1303231012297. The reversal of 1303231012211 is 1122101323031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1303231012211 - 2² = 1303231012207 is a prime.

It is a super-2 number, since 2×1303231012211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303231015211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2477625236 + ... + 2477625761.

It is an arithmetic number, because the mean of its divisors is an integer number (327046565868).

Almost surely, 2^{1303231012211} is an apocalyptic number.

1303231012211 is a deficient number, since it is larger than the sum of its proper divisors (4955251261).

1303231012211 is an equidigital number, since it uses as much as digits as its factorization.

1303231012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955251260.

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

Adding to 1303231012211 its reverse (1122101323031), we get a palindrome (2425332335242).

The spelling of 1303231012211 in words is "one trillion, three hundred three billion, two hundred thirty-one million, twelve thousand, two hundred eleven".