323131221201301 has 4 divisors (see below), whose sum is σ = 323263273194432. Its totient is φ = 322999169208172.

The previous prime is 323131221201263. The next prime is 323131221201311. The reversal of 323131221201301 is 103102122131323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323131221201301 - 2³³ = 323122631266709 is a prime.

It is a super-2 number, since 2×323131221201301² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323131221201311) 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, 66025992895 + ... + 66025997788.

It is an arithmetic number, because the mean of its divisors is an integer number (80815818298608).

Almost surely, 2^{323131221201301} is an apocalyptic number.

It is an amenable number.

323131221201301 is a deficient number, since it is larger than the sum of its proper divisors (132051993131).

323131221201301 is a wasteful number, since it uses less digits than its factorization.

323131221201301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132051993130.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 323131221201301 its reverse (103102122131323), we get a palindrome (426233343332624).

The spelling of 323131221201301 in words is "three hundred twenty-three trillion, one hundred thirty-one billion, two hundred twenty-one million, two hundred one thousand, three hundred one".