323133221131013 has 16 divisors (see below), whose sum is σ = 323674811426736. Its totient is φ = 322592107407360.

The previous prime is 323133221131009. The next prime is 323133221131033. The reversal of 323133221131013 is 310131122331323.

It can be written as a sum of positive squares in 8 ways, for example, as 11072269560004 + 312060951571009 = 3327502^2 + 17665247^2 .

It is a cyclic number.

It is not a de Polignac number, because 323133221131013 - 2² = 323133221131009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323133221131033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25449566081 + ... + 25449578777.

It is an arithmetic number, because the mean of its divisors is an integer number (20229675714171).

Almost surely, 2^{323133221131013} is an apocalyptic number.

It is an amenable number.

323133221131013 is a deficient number, since it is larger than the sum of its proper divisors (541590295723).

323133221131013 is a wasteful number, since it uses less digits than its factorization.

323133221131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28264.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 323133221131013 its reverse (310131122331323), we get a palindrome (633264343462336).

The spelling of 323133221131013 in words is "three hundred twenty-three trillion, one hundred thirty-three billion, two hundred twenty-one million, one hundred thirty-one thousand, thirteen".