213515154031209 has 8 divisors (see below), whose sum is σ = 285192532562592. Its totient is φ = 142090605760320.

The previous prime is 213515154031189. The next prime is 213515154031211. The reversal of 213515154031209 is 902130451515312.

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

It is not a de Polignac number, because 213515154031209 - 2¹¹ = 213515154029161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213515154031259) 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, 63207563152 + ... + 63207566529.

It is an arithmetic number, because the mean of its divisors is an integer number (35649066570324).

Almost surely, 2^{213515154031209} is an apocalyptic number.

It is an amenable number.

213515154031209 is a deficient number, since it is larger than the sum of its proper divisors (71677378531383).

213515154031209 is a wasteful number, since it uses less digits than its factorization.

213515154031209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126415130247.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 213515154031209 in words is "two hundred thirteen trillion, five hundred fifteen billion, one hundred fifty-four million, thirty-one thousand, two hundred nine".