201340343431045 has 64 divisors (see below), whose sum is σ = 299100350255616. Its totient is φ = 126699337497600.

The previous prime is 201340343430983. The next prime is 201340343431079. The reversal of 201340343431045 is 540134343043102.

It is not a de Polignac number, because 201340343431045 - 2⁹ = 201340343430533 is a prime.

It is a super-2 number, since 2×201340343431045² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201340343430995 and 201340343431013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71012367 + ... + 73793203.

It is an arithmetic number, because the mean of its divisors is an integer number (4673442972744).

Almost surely, 2^{201340343431045} is an apocalyptic number.

It is an amenable number.

201340343431045 is a deficient number, since it is larger than the sum of its proper divisors (97760006824571).

201340343431045 is a wasteful number, since it uses less digits than its factorization.

201340343431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781790.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 201340343431045 its reverse (540134343043102), we get a palindrome (741474686474147).

The spelling of 201340343431045 in words is "two hundred one trillion, three hundred forty billion, three hundred forty-three million, four hundred thirty-one thousand, forty-five".