131022230 has 32 divisors (see below), whose sum is σ = 250563456. Its totient is φ = 49158144.

The previous prime is 131022187. The next prime is 131022259. The reversal of 131022230 is 32220131.

It is a happy number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56147 + ... + 58433.

It is an arithmetic number, because the mean of its divisors is an integer number (7830108).

Almost surely, 2^131022230 is an apocalyptic number.

131022230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131022230 is a deficient number, since it is larger than the sum of its proper divisors (119541226).

131022230 is a wasteful number, since it uses less digits than its factorization.

131022230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 131022230 is about 11446.4942231235. The cubic root of 131022230 is about 507.9040340971.

Adding to 131022230 its reverse (32220131), we get a palindrome (163242361).

The spelling of 131022230 in words is "one hundred thirty-one million, twenty-two thousand, two hundred thirty".