131450201 has 2 divisors, whose sum is σ = 131450202. Its totient is φ = 131450200.

The previous prime is 131450197. The next prime is 131450237. The reversal of 131450201 is 102054131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78145600 + 53304601 = 8840^2 + 7301^2 .

It is a cyclic number.

It is not a de Polignac number, because 131450201 - 2² = 131450197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131450201.

It is not a weakly prime, because it can be changed into another prime (131450251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65725100 + 65725101.

It is an arithmetic number, because the mean of its divisors is an integer number (65725101).

Almost surely, 2^131450201 is an apocalyptic number.

It is an amenable number.

131450201 is a deficient number, since it is larger than the sum of its proper divisors (1).

131450201 is an equidigital number, since it uses as much as digits as its factorization.

131450201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 131450201 is about 11465.1733959849. The cubic root of 131450201 is about 508.4564389712.

It can be divided in two parts, 1314 and 50201, that added together give a palindrome (51515).

The spelling of 131450201 in words is "one hundred thirty-one million, four hundred fifty thousand, two hundred one".