131023213113 has 32 divisors (see below), whose sum is σ = 188847050112. Its totient is φ = 80325273600.

The previous prime is 131023213103. The next prime is 131023213183. The reversal of 131023213113 is 311312320131.

It is a happy number.

It is not a de Polignac number, because 131023213113 - 2⁹ = 131023212601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131023213113.

It is not an unprimeable number, because it can be changed into a prime (131023213103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21903583 + ... + 21909563.

It is an arithmetic number, because the mean of its divisors is an integer number (5901470316).

Almost surely, 2^131023213113 is an apocalyptic number.

131023213113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131023213113 is a deficient number, since it is larger than the sum of its proper divisors (57823836999).

131023213113 is a wasteful number, since it uses less digits than its factorization.

131023213113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131023213113 its reverse (311312320131), we get a palindrome (442335533244).

The spelling of 131023213113 in words is "one hundred thirty-one billion, twenty-three million, two hundred thirteen thousand, one hundred thirteen".