213104250442 has 16 divisors (see below), whose sum is σ = 325807326432. Its totient is φ = 104503286160.

The previous prime is 213104250433. The next prime is 213104250451. The reversal of 213104250442 is 244052401312.

It is an interprime number because it is at equal distance from previous prime (213104250433) and next prime (213104250451).

It is a super-3 number, since 3×213104250442³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213104250442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78588 + ... + 657559.

It is an arithmetic number, because the mean of its divisors is an integer number (20362957902).

Almost surely, 2^213104250442 is an apocalyptic number.

213104250442 is a deficient number, since it is larger than the sum of its proper divisors (112703075990).

213104250442 is a wasteful number, since it uses less digits than its factorization.

213104250442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738933.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 213104250442 its reverse (244052401312), we get a palindrome (457156651754).

The spelling of 213104250442 in words is "two hundred thirteen billion, one hundred four million, two hundred fifty thousand, four hundred forty-two".