131123320102 has 8 divisors (see below), whose sum is σ = 196687384200. Its totient is φ = 65560858704.

The previous prime is 131123320001. The next prime is 131123320121. The reversal of 131123320102 is 201023321131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×131123320102³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131123320102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 169452 + ... + 539407.

It is an arithmetic number, because the mean of its divisors is an integer number (24585923025).

Almost surely, 2^131123320102 is an apocalyptic number.

131123320102 is a deficient number, since it is larger than the sum of its proper divisors (65564064098).

131123320102 is an equidigital number, since it uses as much as digits as its factorization.

131123320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801350.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131123320102 its reverse (201023321131), we get a palindrome (332146641233).

The spelling of 131123320102 in words is "one hundred thirty-one billion, one hundred twenty-three million, three hundred twenty thousand, one hundred two".