1313022001231 has 8 divisors (see below), whose sum is σ = 1378314169344. Its totient is φ = 1248413521080.

The previous prime is 1313022001229. The next prime is 1313022001243. The reversal of 1313022001231 is 1321002203131.

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 1313022001231 - 2¹ = 1313022001229 is a prime.

It is a super-2 number, since 2×1313022001231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313022001199 and 1313022001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313022001271) 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, 170918055 + ... + 170925736.

It is an arithmetic number, because the mean of its divisors is an integer number (172289271168).

Almost surely, 2^{1313022001231} is an apocalyptic number.

1313022001231 is a deficient number, since it is larger than the sum of its proper divisors (65292168113).

1313022001231 is a wasteful number, since it uses less digits than its factorization.

1313022001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341843981.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1313022001231 its reverse (1321002203131), we get a palindrome (2634024204362).

The spelling of 1313022001231 in words is "one trillion, three hundred thirteen billion, twenty-two million, one thousand, two hundred thirty-one".