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311430240200401 = 746283419612523
BaseRepresentation
bin100011011001111101000000…
…0110101101110011011010001
31111211200102212220102222112121
41012303322000311232123101
5311304433112442403101
63022205024404254241
7122412043450222120
oct10663720065563321
91454612786388477
10311430240200401
119025a906694993
122ab193253a1381
13104a09902203ba
1456c9438463ab7
1526010366860a1
hex11b3e80d6e6d1

311430240200401 has 8 divisors (see below), whose sum is σ = 355920388441664. Its totient is φ = 266940120440880.

The previous prime is 311430240200381. The next prime is 311430240200419. The reversal of 311430240200401 is 104002042034113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311430240200401 - 217 = 311430240069329 is a prime.

It is a super-2 number, since 2×3114302402004012 (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 (311430240200501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27592126 + ... + 37204648.

It is an arithmetic number, because the mean of its divisors is an integer number (44490048555208).

Almost surely, 2311430240200401 is an apocalyptic number.

It is an amenable number.

311430240200401 is a deficient number, since it is larger than the sum of its proper divisors (44490148241263).

311430240200401 is an equidigital number, since it uses as much as digits as its factorization.

311430240200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14240871.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 311430240200401 its reverse (104002042034113), we get a palindrome (415432282234514).

The spelling of 311430240200401 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred forty million, two hundred thousand, four hundred one".

Divisors: 1 7 4628341 9612523 32398387 67287661 44490034314343 311430240200401