131023013208 has 32 divisors (see below), whose sum is σ = 327570754560. Its totient is φ = 43672574880.

The previous prime is 131023013201. The next prime is 131023013249. The reversal of 131023013208 is 802310320131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023013201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586773 + ... + 778683.

It is an arithmetic number, because the mean of its divisors is an integer number (10236586080).

Almost surely, 2^131023013208 is an apocalyptic number.

It is an amenable number.

131023013208 is an abundant number, since it is smaller than the sum of its proper divisors (196547741352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131023013208 is a wasteful number, since it uses less digits than its factorization.

131023013208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220367 (or 220363 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131023013208 its reverse (802310320131), we get a palindrome (933333333339).

The spelling of 131023013208 in words is "one hundred thirty-one billion, twenty-three million, thirteen thousand, two hundred eight".