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311431032034321 = 4761108626101163
BaseRepresentation
bin100011011001111101011000…
…0000010010101010000010001
31111211200111221002102022110211
41012303322300002111100101
5311304441223200044241
63022205235132124121
7122412102203544613
oct10663726002252021
91454614832368424
10311431032034321
1190260182658491
122ab19506606641
13104a0a882a4394
1456c94b16a4db3
152601080e48781
hex11b3eb0095411

311431032034321 has 8 divisors (see below), whose sum is σ = 323271277064064. Its totient is φ = 299808039207120.

The previous prime is 311431032034313. The next prime is 311431032034327. The reversal of 311431032034321 is 123430230134113.

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 311431032034321 - 23 = 311431032034313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311431032034327) 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, 54313047715 + ... + 54313053448.

It is an arithmetic number, because the mean of its divisors is an integer number (40408909633008).

Almost surely, 2311431032034321 is an apocalyptic number.

It is an amenable number.

311431032034321 is a deficient number, since it is larger than the sum of its proper divisors (11840245029743).

311431032034321 is a wasteful number, since it uses less digits than its factorization.

311431032034321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108626101271.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 311431032034321 its reverse (123430230134113), we get a palindrome (434861262168434).

The spelling of 311431032034321 in words is "three hundred eleven trillion, four hundred thirty-one billion, thirty-two million, thirty-four thousand, three hundred twenty-one".

Divisors: 1 47 61 2867 108626101163 5105426754661 6626192170943 311431032034321