131002223 has 12 divisors (see below), whose sum is σ = 145976544. Its totient is φ = 117453600.

The previous prime is 131002211. The next prime is 131002231. The reversal of 131002223 is 322200131.

It is a happy number.

It is not a de Polignac number, because 131002223 - 2⁶ = 131002159 is a prime.

It is a super-3 number, since 3×131002223³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131002198 and 131002207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002253) 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, 1418 + ... + 16248.

It is an arithmetic number, because the mean of its divisors is an integer number (12164712).

Almost surely, 2^131002223 is an apocalyptic number.

131002223 is a deficient number, since it is larger than the sum of its proper divisors (14974321).

131002223 is a wasteful number, since it uses less digits than its factorization.

131002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14926 (or 14915 counting only the distinct ones).

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

The square root of 131002223 is about 11445.6202540535. The cubic root of 131002223 is about 507.8781805879.

Adding to 131002223 its reverse (322200131), we get a palindrome (453202354).

The spelling of 131002223 in words is "one hundred thirty-one million, two thousand, two hundred twenty-three".