213131413402 has 16 divisors (see below), whose sum is σ = 323923884480. Its totient is φ = 105163118208.

The previous prime is 213131413379. The next prime is 213131413433. The reversal of 213131413402 is 204314131312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515702 + ... + 1650337.

It is an arithmetic number, because the mean of its divisors is an integer number (20245242780).

Almost surely, 2^213131413402 is an apocalyptic number.

213131413402 is a deficient number, since it is larger than the sum of its proper divisors (110792471078).

213131413402 is a wasteful number, since it uses less digits than its factorization.

213131413402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166485.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 213131413402 its reverse (204314131312), we get a palindrome (417445544714).

The spelling of 213131413402 in words is "two hundred thirteen billion, one hundred thirty-one million, four hundred thirteen thousand, four hundred two".