131220367 has 2 divisors, whose sum is σ = 131220368. Its totient is φ = 131220366.

The previous prime is 131220361. The next prime is 131220373. The reversal of 131220367 is 763022131.

It is a balanced prime because it is at equal distance from previous prime (131220361) and next prime (131220373).

It is a cyclic number.

It is not a de Polignac number, because 131220367 - 2²³ = 122831759 is a prime.

It is a super-2 number, since 2×131220367² = 34437569431229378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131220361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65610183 + 65610184.

It is an arithmetic number, because the mean of its divisors is an integer number (65610184).

Almost surely, 2^131220367 is an apocalyptic number.

131220367 is a deficient number, since it is larger than the sum of its proper divisors (1).

131220367 is an equidigital number, since it uses as much as digits as its factorization.

131220367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 131220367 is about 11455.1458742349. The cubic root of 131220367 is about 508.1599293405.

Adding to 131220367 its reverse (763022131), we get a palindrome (894242498).

The spelling of 131220367 in words is "one hundred thirty-one million, two hundred twenty thousand, three hundred sixty-seven".