131213186322 has 32 divisors (see below), whose sum is σ = 266523512832. Its totient is φ = 43055756304.

The previous prime is 131213186281. The next prime is 131213186347. The reversal of 131213186322 is 223681312131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488023 + ... + 707525.

It is an arithmetic number, because the mean of its divisors is an integer number (8328859776).

Almost surely, 2^131213186322 is an apocalyptic number.

131213186322 is an abundant number, since it is smaller than the sum of its proper divisors (135310326510).

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

131213186322 is a wasteful number, since it uses less digits than its factorization.

131213186322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221062.

The product of its digits is 10368, while the sum is 33.

Adding to 131213186322 its reverse (223681312131), we get a palindrome (354894498453).

The spelling of 131213186322 in words is "one hundred thirty-one billion, two hundred thirteen million, one hundred eighty-six thousand, three hundred twenty-two".