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40312331430401 = 174398753909419
BaseRepresentation
bin10010010101001111100100…
…01100011110101000000001
312021201211011200121121110002
421022213302030132220001
520240434123321233101
6221423121314445345
711330320103306252
oct1112476214365001
9167654150547402
1040312331430401
1111932400174568
124630972293855
13196558a111a44
149d51ad270b29
1549d939cb7d6b
hex24a9f231ea01

40312331430401 has 8 divisors (see below), whose sum is σ = 42684616205280. Its totient is φ = 37940154562368.

The previous prime is 40312331430353. The next prime is 40312331430431. The reversal of 40312331430401 is 10403413321304.

It is a happy number.

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 40312331430401 - 242 = 35914284919297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40312331430431) 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, 26206931 + ... + 27702488.

It is an arithmetic number, because the mean of its divisors is an integer number (5335577025660).

Almost surely, 240312331430401 is an apocalyptic number.

It is an amenable number.

40312331430401 is a deficient number, since it is larger than the sum of its proper divisors (2372284774879).

40312331430401 is a wasteful number, since it uses less digits than its factorization.

40312331430401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53953423.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 40312331430401 its reverse (10403413321304), we get a palindrome (50715744751705).

The spelling of 40312331430401 in words is "forty trillion, three hundred twelve billion, three hundred thirty-one million, four hundred thirty thousand, four hundred one".

Divisors: 1 17 43987 747779 53909419 916460123 2371313613553 40312331430401