1313120001331 has 16 divisors (see below), whose sum is σ = 1349010673920. Its totient is φ = 1277696268000.

The previous prime is 1313120001253. The next prime is 1313120001341. The reversal of 1313120001331 is 1331000213131.

It is a cyclic number.

It is not a de Polignac number, because 1313120001331 - 2¹⁷ = 1313119870259 is a prime.

It is a super-2 number, since 2×1313120001331² (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 = 1313120001299 and 1313120001308.

It is not an unprimeable number, because it can be changed into a prime (1313120001341) 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, 12423456 + ... + 12528706.

It is an arithmetic number, because the mean of its divisors is an integer number (84313167120).

Almost surely, 2^{1313120001331} is an apocalyptic number.

1313120001331 is a deficient number, since it is larger than the sum of its proper divisors (35890672589).

1313120001331 is a wasteful number, since it uses less digits than its factorization.

1313120001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107466.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1313120001331 its reverse (1331000213131), we get a palindrome (2644120214462).

The spelling of 1313120001331 in words is "one trillion, three hundred thirteen billion, one hundred twenty million, one thousand, three hundred thirty-one".