213042034243401 has 64 divisors (see below), whose sum is σ = 321101128212480. Its totient is φ = 124473428352000.

The previous prime is 213042034243331. The next prime is 213042034243439. The reversal of 213042034243401 is 104342430240312.

It is not a de Polignac number, because 213042034243401 - 2⁹ = 213042034242889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213042034243001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 291545071 + ... + 292274891.

It is an arithmetic number, because the mean of its divisors is an integer number (5017205128320).

Almost surely, 2^{213042034243401} is an apocalyptic number.

It is an amenable number.

213042034243401 is a deficient number, since it is larger than the sum of its proper divisors (108059093969079).

213042034243401 is a wasteful number, since it uses less digits than its factorization.

213042034243401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730958.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 213042034243401 its reverse (104342430240312), we get a palindrome (317384464483713).

The spelling of 213042034243401 in words is "two hundred thirteen trillion, forty-two billion, thirty-four million, two hundred forty-three thousand, four hundred one".