213443313442 has 48 divisors (see below), whose sum is σ = 342056924352. Its totient is φ = 99869369600.

The previous prime is 213443313407. The next prime is 213443313467. The reversal of 213443313442 is 244313344312.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 213443313398 and 213443313407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106560813 + ... + 106562815.

It is an arithmetic number, because the mean of its divisors is an integer number (7126185924).

Almost surely, 2^213443313442 is an apocalyptic number.

213443313442 is a deficient number, since it is larger than the sum of its proper divisors (128613610910).

213443313442 is a wasteful number, since it uses less digits than its factorization.

213443313442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003 (or 2986 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

Adding to 213443313442 its reverse (244313344312), we get a palindrome (457756657754).

The spelling of 213443313442 in words is "two hundred thirteen billion, four hundred forty-three million, three hundred thirteen thousand, four hundred forty-two".