1303231311133 has 8 divisors (see below), whose sum is σ = 1325211590048. Its totient is φ = 1281325416624.

The previous prime is 1303231311121. The next prime is 1303231311191. The reversal of 1303231311133 is 3311131323031.

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 1303231311133 - 2⁹ = 1303231310621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303231311098 and 1303231311107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303231317133) 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, 18560766 + ... + 18630847.

It is an arithmetic number, because the mean of its divisors is an integer number (165651448756).

Almost surely, 2^{1303231311133} is an apocalyptic number.

It is an amenable number.

1303231311133 is a deficient number, since it is larger than the sum of its proper divisors (21980278915).

1303231311133 is an equidigital number, since it uses as much as digits as its factorization.

1303231311133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37192203.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1303231311133 its reverse (3311131323031), we get a palindrome (4614362634164).

The spelling of 1303231311133 in words is "one trillion, three hundred three billion, two hundred thirty-one million, three hundred eleven thousand, one hundred thirty-three".