131000042403222 has 16 divisors (see below), whose sum is σ = 262538072666112. Its totient is φ = 43577016157800.

The previous prime is 131000042403133. The next prime is 131000042403281. The reversal of 131000042403222 is 222304240000131.

It is a happy number.

It is a super-2 number, since 2×131000042403222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131000042403192 and 131000042403201.

It is a congruent number.

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, 22416157654 + ... + 22416163497.

It is an arithmetic number, because the mean of its divisors is an integer number (16408629541632).

Almost surely, 2^{131000042403222} is an apocalyptic number.

131000042403222 is an abundant number, since it is smaller than the sum of its proper divisors (131538030262890).

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

131000042403222 is a wasteful number, since it uses less digits than its factorization.

131000042403222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44832321643.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 131000042403222 its reverse (222304240000131), we get a palindrome (353304282403353).

The spelling of 131000042403222 in words is "one hundred thirty-one trillion, forty-two million, four hundred three thousand, two hundred twenty-two".