131023013311 has 16 divisors (see below), whose sum is σ = 140309769600. Its totient is φ = 121979109600.

The previous prime is 131023013249. The next prime is 131023013371. The reversal of 131023013311 is 113310320131.

It is a cyclic number.

It is not a de Polignac number, because 131023013311 - 2¹¹ = 131023011263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023013371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212660 + ... + 1316278.

It is an arithmetic number, because the mean of its divisors is an integer number (8769360600).

Almost surely, 2^131023013311 is an apocalyptic number.

131023013311 is a deficient number, since it is larger than the sum of its proper divisors (9286756289).

131023013311 is a wasteful number, since it uses less digits than its factorization.

131023013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104790.

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

Adding to 131023013311 its reverse (113310320131), we get a palindrome (244333333442).

The spelling of 131023013311 in words is "one hundred thirty-one billion, twenty-three million, thirteen thousand, three hundred eleven".