131032273 has 2 divisors, whose sum is σ = 131032274. Its totient is φ = 131032272.

The previous prime is 131032259. The next prime is 131032283. The reversal of 131032273 is 372230131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98962704 + 32069569 = 9948^2 + 5663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131032273 is a prime.

It is not a weakly prime, because it can be changed into another prime (131032283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516136 + 65516137.

It is an arithmetic number, because the mean of its divisors is an integer number (65516137).

Almost surely, 2^131032273 is an apocalyptic number.

It is an amenable number.

131032273 is a deficient number, since it is larger than the sum of its proper divisors (1).

131032273 is an equidigital number, since it uses as much as digits as its factorization.

131032273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 131032273 is about 11446.9329079889. The cubic root of 131032273 is about 507.9170109023.

It can be divided in two parts, 13103 and 2273, that added together give a square (15376 = 124²).

The spelling of 131032273 in words is "one hundred thirty-one million, thirty-two thousand, two hundred seventy-three".