201340213402 has 4 divisors (see below), whose sum is σ = 302010320106. Its totient is φ = 100670106700.

The previous prime is 201340213387. The next prime is 201340213483. The reversal of 201340213402 is 204312043102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 188954526721 + 12385686681 = 434689^2 + 111291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50335053349 + ... + 50335053352.

Almost surely, 2^201340213402 is an apocalyptic number.

201340213402 is a deficient number, since it is larger than the sum of its proper divisors (100670106704).

201340213402 is a wasteful number, since it uses less digits than its factorization.

201340213402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100670106703.

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

Adding to 201340213402 its reverse (204312043102), we get a palindrome (405652256504).

The spelling of 201340213402 in words is "two hundred one billion, three hundred forty million, two hundred thirteen thousand, four hundred two".