131415241 has 8 divisors (see below), whose sum is σ = 133172424. Its totient is φ = 129667200.

The previous prime is 131415239. The next prime is 131415247. The reversal of 131415241 is 142514131.

It can be written as a sum of positive squares in 4 ways, for example, as 12278016 + 119137225 = 3504^2 + 10915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131415241 - 2¹ = 131415239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131415247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29535 + ... + 33691.

It is an arithmetic number, because the mean of its divisors is an integer number (16646553).

Almost surely, 2^131415241 is an apocalyptic number.

It is an amenable number.

131415241 is a deficient number, since it is larger than the sum of its proper divisors (1757183).

131415241 is a wasteful number, since it uses less digits than its factorization.

131415241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its digits is 480, while the sum is 22.

The square root of 131415241 is about 11463.6486774500. The cubic root of 131415241 is about 508.4113592553.

Adding to 131415241 its reverse (142514131), we get a palindrome (273929372).

The spelling of 131415241 in words is "one hundred thirty-one million, four hundred fifteen thousand, two hundred forty-one".