131132032222 has 4 divisors (see below), whose sum is σ = 196698048336. Its totient is φ = 65566016110.

The previous prime is 131132032219. The next prime is 131132032231. The reversal of 131132032222 is 222230231131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222230231131 = 37 ⋅6006222463.

It is a junction number, because it is equal to n+sod(n) for n = 131132032193 and 131132032202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32783008054 + ... + 32783008057.

It is an arithmetic number, because the mean of its divisors is an integer number (49174512084).

Almost surely, 2^131132032222 is an apocalyptic number.

131132032222 is a deficient number, since it is larger than the sum of its proper divisors (65566016114).

131132032222 is an equidigital number, since it uses as much as digits as its factorization.

131132032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65566016113.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131132032222 its reverse (222230231131), we get a palindrome (353362263353).

The spelling of 131132032222 in words is "one hundred thirty-one billion, one hundred thirty-two million, thirty-two thousand, two hundred twenty-two".