231220204010210 has 32 divisors (see below), whose sum is σ = 457149327845760. Its totient is φ = 83810710101888.

The previous prime is 231220204010143. The next prime is 231220204010227. The reversal of 231220204010210 is 12010402022132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26455396547 + ... + 26455405286.

It is an arithmetic number, because the mean of its divisors is an integer number (14285916495180).

Almost surely, 2^{231220204010210} is an apocalyptic number.

231220204010210 is a deficient number, since it is larger than the sum of its proper divisors (225929123835550).

231220204010210 is a wasteful number, since it uses less digits than its factorization.

231220204010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52910801882.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 231220204010210 its reverse (12010402022132), we get a palindrome (243230606032342).

The spelling of 231220204010210 in words is "two hundred thirty-one trillion, two hundred twenty billion, two hundred four million, ten thousand, two hundred ten".