213031221123041 has 8 divisors (see below), whose sum is σ = 222054326497920. Its totient is φ = 204179984422128.

The previous prime is 213031221123023. The next prime is 213031221123079. The reversal of 213031221123041 is 140321122130312.

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 213031221123041 - 2⁴² = 208633174611937 is a prime.

It is a super-2 number, since 2×213031221123041² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 213031221123041.

It is not an unprimeable number, because it can be changed into a prime (213031221123011) 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, 42967165961 + ... + 42967170918.

It is an arithmetic number, because the mean of its divisors is an integer number (27756790812240).

Almost surely, 2^{213031221123041} is an apocalyptic number.

It is an amenable number.

213031221123041 is a deficient number, since it is larger than the sum of its proper divisors (9023105374879).

213031221123041 is an equidigital number, since it uses as much as digits as its factorization.

213031221123041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85934336983.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 213031221123041 its reverse (140321122130312), we get a palindrome (353352343253353).

The spelling of 213031221123041 in words is "two hundred thirteen trillion, thirty-one billion, two hundred twenty-one million, one hundred twenty-three thousand, forty-one".