131123321201311 has 16 divisors (see below), whose sum is σ = 135653202657280. Its totient is φ = 126612433635840.

The previous prime is 131123321201281. The next prime is 131123321201363. The reversal of 131123321201311 is 113102123321131.

It is a cyclic number.

It is not a de Polignac number, because 131123321201311 - 2¹³ = 131123321193119 is a prime.

It is a super-3 number, since 3×131123321201311³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123321202311) 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, 31118335 + ... + 35079871.

It is an arithmetic number, because the mean of its divisors is an integer number (8478325166080).

Almost surely, 2^{131123321201311} is an apocalyptic number.

131123321201311 is a deficient number, since it is larger than the sum of its proper divisors (4529881455969).

131123321201311 is a wasteful number, since it uses less digits than its factorization.

131123321201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963934.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 131123321201311 its reverse (113102123321131), we get a palindrome (244225444522442).

The spelling of 131123321201311 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, three hundred twenty-one million, two hundred one thousand, three hundred eleven".