131032223 has 12 divisors (see below), whose sum is σ = 155972520. Its totient is φ = 109699632.

The previous prime is 131032211. The next prime is 131032259. The reversal of 131032223 is 322230131.

It is not a de Polignac number, because 131032223 - 2¹² = 131028127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131032273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28988 + ... + 33201.

It is an arithmetic number, because the mean of its divisors is an integer number (12997710).

Almost surely, 2^131032223 is an apocalyptic number.

131032223 is a deficient number, since it is larger than the sum of its proper divisors (24940297).

131032223 is an equidigital number, since it uses as much as digits as its factorization.

131032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62246 (or 62239 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 131032223 is about 11446.9307239976. The cubic root of 131032223 is about 507.9169462977.

Adding to 131032223 its reverse (322230131), we get a palindrome (453262354).

It can be divided in two parts, 1310 and 32223, that added together give a palindrome (33533).

The spelling of 131032223 in words is "one hundred thirty-one million, thirty-two thousand, two hundred twenty-three".