131213312331102 has 24 divisors (see below), whose sum is σ = 284299025066784. Its totient is φ = 43737230005344.

The previous prime is 131213312331097. The next prime is 131213312331109. The reversal of 131213312331102 is 201133213312131.

131213312331102 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 3 + 312 + 331 + 10 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131213312331109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43566678 + ... + 46480985.

It is an arithmetic number, because the mean of its divisors is an integer number (11845792711116).

Almost surely, 2^{131213312331102} is an apocalyptic number.

131213312331102 is an abundant number, since it is smaller than the sum of its proper divisors (153085712735682).

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

131213312331102 is a wasteful number, since it uses less digits than its factorization.

131213312331102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90128624 (or 90128621 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 131213312331102 its reverse (201133213312131), we get a palindrome (332346525643233).

The spelling of 131213312331102 in words is "one hundred thirty-one trillion, two hundred thirteen billion, three hundred twelve million, three hundred thirty-one thousand, one hundred two".