131022253 has 4 divisors (see below), whose sum is σ = 131056380. Its totient is φ = 130988128.

The previous prime is 131022187. The next prime is 131022259. The reversal of 131022253 is 352220131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57714409 + 73307844 = 7597^2 + 8562^2 .

It is a cyclic number.

It is not a de Polignac number, because 131022253 - 2⁹ = 131021741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131022253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10450 + ... + 19267.

It is an arithmetic number, because the mean of its divisors is an integer number (32764095).

Almost surely, 2^131022253 is an apocalyptic number.

It is an amenable number.

131022253 is a deficient number, since it is larger than the sum of its proper divisors (34127).

131022253 is an equidigital number, since it uses as much as digits as its factorization.

131022253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34126.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 131022253 is about 11446.4952277979. The cubic root of 131022253 is about 507.9040638167.

Adding to 131022253 its reverse (352220131), we get a palindrome (483242384).

The spelling of 131022253 in words is "one hundred thirty-one million, twenty-two thousand, two hundred fifty-three".