731150241 has 4 divisors (see below), whose sum is σ = 974866992. Its totient is φ = 487433492.

The previous prime is 731150239. The next prime is 731150281. The reversal of 731150241 is 142051137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142051137 = 3 ⋅47350379.

It is a cyclic number.

It is not a de Polignac number, because 731150241 - 2¹ = 731150239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (731150201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121858371 + ... + 121858376.

It is an arithmetic number, because the mean of its divisors is an integer number (243716748).

Almost surely, 2^731150241 is an apocalyptic number.

It is an amenable number.

731150241 is a deficient number, since it is larger than the sum of its proper divisors (243716751).

731150241 is a wasteful number, since it uses less digits than its factorization.

731150241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243716750.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 731150241 is about 27039.7899585037. The cubic root of 731150241 is about 900.8840042624.

The spelling of 731150241 in words is "seven hundred thirty-one million, one hundred fifty thousand, two hundred forty-one".