1313211132231 has 8 divisors (see below), whose sum is σ = 1798271100144. Its totient is φ = 851812626240.

The previous prime is 1313211132227. The next prime is 1313211132341. The reversal of 1313211132231 is 1322311123131.

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

It is not a de Polignac number, because 1313211132231 - 2² = 1313211132227 is a prime.

It is a super-2 number, since 2×1313211132231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313211132031) 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, 5915365350 + ... + 5915365571.

It is an arithmetic number, because the mean of its divisors is an integer number (224783887518).

Almost surely, 2^{1313211132231} is an apocalyptic number.

1313211132231 is a deficient number, since it is larger than the sum of its proper divisors (485059967913).

1313211132231 is a wasteful number, since it uses less digits than its factorization.

1313211132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11830730961.

The product of its digits is 648, while the sum is 24.

Adding to 1313211132231 its reverse (1322311123131), we get a palindrome (2635522255362).

The spelling of 1313211132231 in words is "one trillion, three hundred thirteen billion, two hundred eleven million, one hundred thirty-two thousand, two hundred thirty-one".