206304632031 has 16 divisors (see below), whose sum is σ = 280278817920. Its totient is φ = 134933728800.

The previous prime is 206304632003. The next prime is 206304632033. The reversal of 206304632031 is 130236403602.

It is not a de Polignac number, because 206304632031 - 2¹⁹ = 206304107743 is a prime.

It is a super-2 number, since 2×206304632031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206304632031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206304632033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4598056 + ... + 4642706.

It is an arithmetic number, because the mean of its divisors is an integer number (17517426120).

Almost surely, 2^206304632031 is an apocalyptic number.

206304632031 is a deficient number, since it is larger than the sum of its proper divisors (73974185889).

206304632031 is a wasteful number, since it uses less digits than its factorization.

206304632031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73766.

The product of its (nonzero) digits is 15552, while the sum is 30.

The spelling of 206304632031 in words is "two hundred six billion, three hundred four million, six hundred thirty-two thousand, thirty-one".