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311431030431041 = 4128127031597121
BaseRepresentation
bin100011011001111101010111…
…1111100001101110101000001
31111211200111220222101212012002
41012303322233330031311001
5311304441222242243131
63022205235033513345
7122412102154116413
oct10663725774156501
91454614828355162
10311431030431041
1190260181762964
122ab19505b72855
13104a0a87b626b1
1456c94b13a89b3
152601080c2d6cb
hex11b3eaff0dd41

311431030431041 has 8 divisors (see below), whose sum is σ = 320162236312968. Its totient is φ = 302753887744000.

The previous prime is 311431030430957. The next prime is 311431030431061. The reversal of 311431030431041 is 140134030134113.

It can be written as a sum of positive squares in 4 ways, for example, as 9391135734016 + 302039894697025 = 3064496^2 + 17379295^2 .

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 311431030431041 - 210 = 311431030430017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311431030430995 and 311431030431013.

It is not an unprimeable number, because it can be changed into a prime (311431030431061) 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, 13515787040 + ... + 13515810081.

It is an arithmetic number, because the mean of its divisors is an integer number (40020279539121).

Almost surely, 2311431030431041 is an apocalyptic number.

It is an amenable number.

311431030431041 is a deficient number, since it is larger than the sum of its proper divisors (8731205881927).

311431030431041 is a wasteful number, since it uses less digits than its factorization.

311431030431041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27031597443.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 311431030431041 its reverse (140134030134113), we get a palindrome (451565060565154).

The spelling of 311431030431041 in words is "three hundred eleven trillion, four hundred thirty-one billion, thirty million, four hundred thirty-one thousand, forty-one".

Divisors: 1 41 281 11521 27031597121 1108295481961 7595878791001 311431030431041