201340213234 has 4 divisors (see below), whose sum is σ = 302010319854. Its totient is φ = 100670106616.

The previous prime is 201340213223. The next prime is 201340213267. The reversal of 201340213234 is 432312043102.

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., 186939493225 + 14400720009 = 432365^2 + 120003^2 .

It is a super-2 number, since 2×201340213234² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201340213199 and 201340213208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50335053307 + ... + 50335053310.

Almost surely, 2^201340213234 is an apocalyptic number.

201340213234 is a deficient number, since it is larger than the sum of its proper divisors (100670106620).

201340213234 is a wasteful number, since it uses less digits than its factorization.

201340213234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100670106619.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 201340213234 its reverse (432312043102), we get a palindrome (633652256336).

The spelling of 201340213234 in words is "two hundred one billion, three hundred forty million, two hundred thirteen thousand, two hundred thirty-four".