1313212123131 has 16 divisors (see below), whose sum is σ = 1791997701120. Its totient is φ = 854958111840.

The previous prime is 1313212123117. The next prime is 1313212123163.

1313212123131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1313212123131 - 2¹⁰ = 1313212122107 is a prime.

It is a super-2 number, since 2×1313212123131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313212125131) 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, 224596 + ... + 1636113.

It is an arithmetic number, because the mean of its divisors is an integer number (111999856320).

Almost surely, 2^{1313212123131} is an apocalyptic number.

1313212123131 is a deficient number, since it is larger than the sum of its proper divisors (478785577989).

1313212123131 is a wasteful number, since it uses less digits than its factorization.

1313212123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866226.

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

The spelling of 1313212123131 in words is "one trillion, three hundred thirteen billion, two hundred twelve million, one hundred twenty-three thousand, one hundred thirty-one".