131032031400222 has 16 divisors (see below), whose sum is σ = 262064179147152. Its totient is φ = 43677324408960.

The previous prime is 131032031400191. The next prime is 131032031400223. The reversal of 131032031400222 is 222004130230131.

It is a junction number, because it is equal to n+sod(n) for n = 131032031400192 and 131032031400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131032031400223) 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, 18282348 + ... + 24419424.

It is an arithmetic number, because the mean of its divisors is an integer number (16379011196697).

Almost surely, 2^{131032031400222} is an apocalyptic number.

131032031400222 is an abundant number, since it is smaller than the sum of its proper divisors (131032147746930).

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

131032031400222 is a wasteful number, since it uses less digits than its factorization.

131032031400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695563.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131032031400222 its reverse (222004130230131), we get a palindrome (353036161630353).

The spelling of 131032031400222 in words is "one hundred thirty-one trillion, thirty-two billion, thirty-one million, four hundred thousand, two hundred twenty-two".