131241361 has 2 divisors, whose sum is σ = 131241362. Its totient is φ = 131241360.

The previous prime is 131241349. The next prime is 131241373. The reversal of 131241361 is 163142131.

It is a balanced prime because it is at equal distance from previous prime (131241349) and next prime (131241373).

It can be written as a sum of positive squares in only one way, i.e., 131217025 + 24336 = 11455^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 131241361 - 2⁷ = 131241233 is a prime.

It is not a weakly prime, because it can be changed into another prime (131241391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620680 + 65620681.

It is an arithmetic number, because the mean of its divisors is an integer number (65620681).

Almost surely, 2^131241361 is an apocalyptic number.

It is an amenable number.

131241361 is a deficient number, since it is larger than the sum of its proper divisors (1).

131241361 is an equidigital number, since it uses as much as digits as its factorization.

131241361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 131241361 is about 11456.0621943144. The cubic root of 131241361 is about 508.1870281334.

Adding to 131241361 its reverse (163142131), we get a palindrome (294383492).

The spelling of 131241361 in words is "one hundred thirty-one million, two hundred forty-one thousand, three hundred sixty-one".