131213321122 has 16 divisors (see below), whose sum is σ = 211983912000. Its totient is φ = 60553156752.

The previous prime is 131213321077. The next prime is 131213321137. The reversal of 131213321122 is 221123312131.

It is a junction number, because it is equal to n+sod(n) for n = 131213321093 and 131213321102.

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 7 ways as a sum of consecutive naturals, for example, 46428 + ... + 514375.

It is an arithmetic number, because the mean of its divisors is an integer number (13248994500).

Almost surely, 2^131213321122 is an apocalyptic number.

131213321122 is a deficient number, since it is larger than the sum of its proper divisors (80770590878).

131213321122 is a wasteful number, since it uses less digits than its factorization.

131213321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569817.

The product of its digits is 432, while the sum is 22.

Adding to 131213321122 its reverse (221123312131), we get a palindrome (352336633253).

The spelling of 131213321122 in words is "one hundred thirty-one billion, two hundred thirteen million, three hundred twenty-one thousand, one hundred twenty-two".