1303231023111 has 8 divisors (see below), whose sum is σ = 1770427050480. Its totient is φ = 852427838912.

The previous prime is 1303231023103. The next prime is 1303231023121. The reversal of 1303231023111 is 1113201323031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303231023111 - 2³ = 1303231023103 is a prime.

It is a super-2 number, since 2×1303231023111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303231023121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4098210606 + ... + 4098210923.

It is an arithmetic number, because the mean of its divisors is an integer number (221303381310).

Almost surely, 2^{1303231023111} is an apocalyptic number.

1303231023111 is a deficient number, since it is larger than the sum of its proper divisors (467196027369).

1303231023111 is an equidigital number, since it uses as much as digits as its factorization.

1303231023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196421585.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1303231023111 its reverse (1113201323031), we get a palindrome (2416432346142).

The spelling of 1303231023111 in words is "one trillion, three hundred three billion, two hundred thirty-one million, twenty-three thousand, one hundred eleven".