231274741 has 4 divisors (see below), whose sum is σ = 232552684. Its totient is φ = 229996800.

The previous prime is 231274711. The next prime is 231274759. The reversal of 231274741 is 147472132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95062500 + 136212241 = 9750^2 + 11671^2 .

It is a cyclic number.

It is not a de Polignac number, because 231274741 - 2²⁵ = 197720309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231274711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638700 + ... + 639061.

It is an arithmetic number, because the mean of its divisors is an integer number (58138171).

Almost surely, 2^231274741 is an apocalyptic number.

It is an amenable number.

231274741 is a deficient number, since it is larger than the sum of its proper divisors (1277943).

231274741 is a wasteful number, since it uses less digits than its factorization.

231274741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277942.

The product of its digits is 9408, while the sum is 31.

The square root of 231274741 is about 15207.7197830576. The cubic root of 231274741 is about 613.8224021007.

The spelling of 231274741 in words is "two hundred thirty-one million, two hundred seventy-four thousand, seven hundred forty-one".