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401340031310401 = 2380991685601499
BaseRepresentation
bin101101101000001000100001…
…0000000000001101001000001
31221122000201202211120211122221
41123100101002000001221001
5410101023341003413101
63541325022020331041
7150351601054061551
oct13320210200015101
91848021684524587
10401340031310401
11106974395841897
123901a478543a81
13142c328303acc1
147116d655d1161
15315eb96672aa1
hex16d0442001a41

401340031310401 has 4 divisors (see below), whose sum is σ = 401341717150000. Its totient is φ = 401338345470804.

The previous prime is 401340031310371. The next prime is 401340031310411. The reversal of 401340031310401 is 104013130043104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401340031310401 - 211 = 401340031308353 is a prime.

It is a super-2 number, since 2×4013400313104012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401340031310411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842562651 + ... + 843038848.

It is an arithmetic number, because the mean of its divisors is an integer number (100335429287500).

Almost surely, 2401340031310401 is an apocalyptic number.

It is an amenable number.

401340031310401 is a deficient number, since it is larger than the sum of its proper divisors (1685839599).

401340031310401 is a wasteful number, since it uses less digits than its factorization.

401340031310401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685839598.

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

Adding to 401340031310401 its reverse (104013130043104), we get a palindrome (505353161353505).

The spelling of 401340031310401 in words is "four hundred one trillion, three hundred forty billion, thirty-one million, three hundred ten thousand, four hundred one".

Divisors: 1 238099 1685601499 401340031310401