213140320402 has 32 divisors (see below), whose sum is σ = 341958495744. Its totient is φ = 99282144000.

The previous prime is 213140320399. The next prime is 213140320423. The reversal of 213140320402 is 204023041312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20746527 + ... + 20756797.

It is an arithmetic number, because the mean of its divisors is an integer number (10686202992).

Almost surely, 2^213140320402 is an apocalyptic number.

213140320402 is a deficient number, since it is larger than the sum of its proper divisors (128818175342).

213140320402 is a wasteful number, since it uses less digits than its factorization.

213140320402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16434.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 213140320402 its reverse (204023041312), we get a palindrome (417163361714).

The spelling of 213140320402 in words is "two hundred thirteen billion, one hundred forty million, three hundred twenty thousand, four hundred two".