213869442331 has 8 divisors (see below), whose sum is σ = 215999647200. Its totient is φ = 211739486400.

The previous prime is 213869442329. The next prime is 213869442337. The reversal of 213869442331 is 133244968312.

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 213869442331 - 2¹ = 213869442329 is a prime.

It is a super-2 number, since 2×213869442331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213869442337) 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, 2004255 + ... + 2108263.

It is an arithmetic number, because the mean of its divisors is an integer number (26999955900).

Almost surely, 2^213869442331 is an apocalyptic number.

213869442331 is a deficient number, since it is larger than the sum of its proper divisors (2130204869).

213869442331 is a wasteful number, since it uses less digits than its factorization.

213869442331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124469.

The product of its digits is 746496, while the sum is 46.

The spelling of 213869442331 in words is "two hundred thirteen billion, eight hundred sixty-nine million, four hundred forty-two thousand, three hundred thirty-one".