213206312054 has 64 divisors (see below), whose sum is σ = 334122624000. Its totient is φ = 101977920000.

The previous prime is 213206312047. The next prime is 213206312063. The reversal of 213206312054 is 450213602312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283896179 + ... + 283896929.

It is an arithmetic number, because the mean of its divisors is an integer number (5220666000).

Almost surely, 2^213206312054 is an apocalyptic number.

213206312054 is a deficient number, since it is larger than the sum of its proper divisors (120916311946).

213206312054 is a wasteful number, since it uses less digits than its factorization.

213206312054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 213206312054 its reverse (450213602312), we get a palindrome (663419914366).

The spelling of 213206312054 in words is "two hundred thirteen billion, two hundred six million, three hundred twelve thousand, fifty-four".