1311010223233 has 8 divisors (see below), whose sum is σ = 1356482874600. Its totient is φ = 1265555265408.

The previous prime is 1311010223219. The next prime is 1311010223267. The reversal of 1311010223233 is 3323220101131.

It can be written as a sum of positive squares in 4 ways, for example, as 136524338064 + 1174485885169 = 369492^2 + 1083737^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311010223233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311010223533) 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, 4272538 + ... + 4569091.

It is an arithmetic number, because the mean of its divisors is an integer number (169560359325).

Almost surely, 2^{1311010223233} is an apocalyptic number.

It is an amenable number.

1311010223233 is a deficient number, since it is larger than the sum of its proper divisors (45472651367).

1311010223233 is an equidigital number, since it uses as much as digits as its factorization.

1311010223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846771.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1311010223233 its reverse (3323220101131), we get a palindrome (4634230324364).

The spelling of 1311010223233 in words is "one trillion, three hundred eleven billion, ten million, two hundred twenty-three thousand, two hundred thirty-three".