131032222 has 4 divisors (see below), whose sum is σ = 196548336. Its totient is φ = 65516110.

The previous prime is 131032211. The next prime is 131032259. The reversal of 131032222 is 222230131.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 131032196 and 131032205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32758054 + ... + 32758057.

It is an arithmetic number, because the mean of its divisors is an integer number (49137084).

Almost surely, 2^131032222 is an apocalyptic number.

131032222 is a deficient number, since it is larger than the sum of its proper divisors (65516114).

131032222 is an equidigital number, since it uses as much as digits as its factorization.

131032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65516113.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131032222 is about 11446.9306803178. The cubic root of 131032222 is about 507.9169450057.

Adding to 131032222 its reverse (222230131), we get a palindrome (353262353).

The spelling of 131032222 in words is "one hundred thirty-one million, thirty-two thousand, two hundred twenty-two".