2113213402 has 8 divisors (see below), whose sum is σ = 3336652800. Its totient is φ = 1000995804.

The previous prime is 2113213391. The next prime is 2113213439. The reversal of 2113213402 is 2043123112.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2113213402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27805402 + ... + 27805477.

It is an arithmetic number, because the mean of its divisors is an integer number (417081600).

Almost surely, 2^2113213402 is an apocalyptic number.

2113213402 is a deficient number, since it is larger than the sum of its proper divisors (1223439398).

2113213402 is a wasteful number, since it uses less digits than its factorization.

2113213402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55610900.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2113213402 is about 45969.7009126664. The cubic root of 2113213402 is about 1283.2593938323.

Adding to 2113213402 its reverse (2043123112), we get a palindrome (4156336514).

The spelling of 2113213402 in words is "two billion, one hundred thirteen million, two hundred thirteen thousand, four hundred two".