131313121322 has 16 divisors (see below), whose sum is σ = 199762371072. Its totient is φ = 64725835440.

The previous prime is 131313121253. The next prime is 131313121363. The reversal of 131313121322 is 223121313131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767428 + ... + 1840224.

It is an arithmetic number, because the mean of its divisors is an integer number (12485148192).

Almost surely, 2^131313121322 is an apocalyptic number.

131313121322 is a deficient number, since it is larger than the sum of its proper divisors (68449249750).

131313121322 is a wasteful number, since it uses less digits than its factorization.

131313121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85573.

The product of its digits is 648, while the sum is 23.

Adding to 131313121322 its reverse (223121313131), we get a palindrome (354434434453).

The spelling of 131313121322 in words is "one hundred thirty-one billion, three hundred thirteen million, one hundred twenty-one thousand, three hundred twenty-two".