204010212243131 has 4 divisors (see below), whose sum is σ = 233154528277872. Its totient is φ = 174865896208392.

The previous prime is 204010212243119. The next prime is 204010212243137. The reversal of 204010212243131 is 131342212010402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 204010212243131 - 2¹⁸ = 204010211980987 is a prime.

It is a super-4 number, since 4×204010212243131⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204010212243131.

It is not an unprimeable number, because it can be changed into a prime (204010212243137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14572158017360 + ... + 14572158017373.

It is an arithmetic number, because the mean of its divisors is an integer number (58288632069468).

Almost surely, 2^{204010212243131} is an apocalyptic number.

204010212243131 is a deficient number, since it is larger than the sum of its proper divisors (29144316034741).

204010212243131 is an equidigital number, since it uses as much as digits as its factorization.

204010212243131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29144316034740.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 204010212243131 its reverse (131342212010402), we get a palindrome (335352424253533).

The spelling of 204010212243131 in words is "two hundred four trillion, ten billion, two hundred twelve million, two hundred forty-three thousand, one hundred thirty-one".