1313210211331 has 8 divisors (see below), whose sum is σ = 1317157102800. Its totient is φ = 1309267190880.

The previous prime is 1313210211329. The next prime is 1313210211359. The reversal of 1313210211331 is 1331120123131.

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 1313210211331 - 2¹ = 1313210211329 is a prime.

It is a super-2 number, since 2×1313210211331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313210211361) 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, 287536 + ... + 1645933.

It is an arithmetic number, because the mean of its divisors is an integer number (164644637850).

Almost surely, 2^{1313210211331} is an apocalyptic number.

1313210211331 is a deficient number, since it is larger than the sum of its proper divisors (3946891469).

1313210211331 is a wasteful number, since it uses less digits than its factorization.

1313210211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935509.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1313210211331 its reverse (1331120123131), we get a palindrome (2644330334462).

The spelling of 1313210211331 in words is "one trillion, three hundred thirteen billion, two hundred ten million, two hundred eleven thousand, three hundred thirty-one".