213103712051 has 8 divisors (see below), whose sum is σ = 217689475584. Its totient is φ = 208520100360.

The previous prime is 213103711987. The next prime is 213103712077. The reversal of 213103712051 is 150217301312.

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

It is not a de Polignac number, because 213103712051 - 2⁶ = 213103711987 is a prime.

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 213103712051.

It is not an unprimeable number, because it can be changed into a prime (213103714051) 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, 336965 + ... + 734678.

It is an arithmetic number, because the mean of its divisors is an integer number (27211184448).

Almost surely, 2^213103712051 is an apocalyptic number.

213103712051 is a deficient number, since it is larger than the sum of its proper divisors (4585763533).

213103712051 is a wasteful number, since it uses less digits than its factorization.

213103712051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075921.

The product of its (nonzero) digits is 1260, while the sum is 26.

The spelling of 213103712051 in words is "two hundred thirteen billion, one hundred three million, seven hundred twelve thousand, fifty-one".