131201143 has 2 divisors, whose sum is σ = 131201144. Its totient is φ = 131201142.

The previous prime is 131201101. The next prime is 131201167. The reversal of 131201143 is 341102131.

It is a strong prime.

It is an emirp because it is prime and its reverse (341102131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131201143 - 2¹³ = 131192951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131201173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600571 + 65600572.

It is an arithmetic number, because the mean of its divisors is an integer number (65600572).

Almost surely, 2^131201143 is an apocalyptic number.

131201143 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201143 is an equidigital number, since it uses as much as digits as its factorization.

131201143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131201143 is about 11454.3067446267. The cubic root of 131201143 is about 508.1351127062.

Adding to 131201143 its reverse (341102131), we get a palindrome (472303274).

The spelling of 131201143 in words is "one hundred thirty-one million, two hundred one thousand, one hundred forty-three".