131022000223420 has 24 divisors (see below), whose sum is σ = 276030914953248. Its totient is φ = 52240283044800.

The previous prime is 131022000223403. The next prime is 131022000223459. The reversal of 131022000223420 is 24322000220131.

It is a junction number, because it is equal to n+sod(n) for n = 131022000223391 and 131022000223400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10532308911 + ... + 10532321350.

It is an arithmetic number, because the mean of its divisors is an integer number (11501288123052).

Almost surely, 2^{131022000223420} is an apocalyptic number.

131022000223420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131022000223420 is an abundant number, since it is smaller than the sum of its proper divisors (145008914729828).

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

131022000223420 is a wasteful number, since it uses less digits than its factorization.

131022000223420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21064630581 (or 21064630579 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 131022000223420 its reverse (24322000220131), we get a palindrome (155344000443551).

The spelling of 131022000223420 in words is "one hundred thirty-one trillion, twenty-two billion, two hundred twenty-three thousand, four hundred twenty".