204210353031 has 8 divisors (see below), whose sum is σ = 272377690224. Its totient is φ = 136091625600.

The previous prime is 204210353027. The next prime is 204210353057. The reversal of 204210353031 is 130353012402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204210353031 - 2² = 204210353027 is a prime.

It is a super-2 number, since 2×204210353031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204210352992 and 204210353010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204210353131) 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, 12142636 + ... + 12159441.

It is an arithmetic number, because the mean of its divisors is an integer number (34047211278).

Almost surely, 2^204210353031 is an apocalyptic number.

204210353031 is a deficient number, since it is larger than the sum of its proper divisors (68167337193).

204210353031 is a wasteful number, since it uses less digits than its factorization.

204210353031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24304881.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 204210353031 its reverse (130353012402), we get a palindrome (334563365433).

The spelling of 204210353031 in words is "two hundred four billion, two hundred ten million, three hundred fifty-three thousand, thirty-one".