229731494213 has 8 divisors (see below), whose sum is σ = 247596903288. Its totient is φ = 211893764544.

The previous prime is 229731494203. The next prime is 229731494233. The reversal of 229731494213 is 312494137922.

It can be written as a sum of positive squares in 4 ways, for example, as 4052340964 + 225679153249 = 63658^2 + 475057^2 .

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 229731494213 - 2¹⁸ = 229731232069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229731494203) 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, 6902606 + ... + 6935807.

It is an arithmetic number, because the mean of its divisors is an integer number (30949612911).

Almost surely, 2^229731494213 is an apocalyptic number.

It is an amenable number.

229731494213 is a deficient number, since it is larger than the sum of its proper divisors (17865409075).

229731494213 is a wasteful number, since it uses less digits than its factorization.

229731494213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839703.

The product of its digits is 653184, while the sum is 47.

The spelling of 229731494213 in words is "two hundred twenty-nine billion, seven hundred thirty-one million, four hundred ninety-four thousand, two hundred thirteen".