131213220042322 has 16 divisors (see below), whose sum is σ = 218763721924992. Its totient is φ = 58517044958320.

The previous prime is 131213220042313. The next prime is 131213220042329. The reversal of 131213220042322 is 223240022312131.

It is a happy number.

It is a super-2 number, since 2×131213220042322² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131213220042329) 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, 56266388218 + ... + 56266390549.

It is an arithmetic number, because the mean of its divisors is an integer number (13672732620312).

Almost surely, 2^{131213220042322} is an apocalyptic number.

131213220042322 is a deficient number, since it is larger than the sum of its proper divisors (87550501882670).

131213220042322 is a wasteful number, since it uses less digits than its factorization.

131213220042322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112532778833.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131213220042322 its reverse (223240022312131), we get a palindrome (354453242354453).

The spelling of 131213220042322 in words is "one hundred thirty-one trillion, two hundred thirteen billion, two hundred twenty million, forty-two thousand, three hundred twenty-two".