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311431030431441 = 3243752069818099
BaseRepresentation
bin100011011001111101010111…
…1111100001101111011010001
31111211200111220222101212201220
41012303322233330031323101
5311304441222242301231
63022205235033515253
7122412102154120524
oct10663725774157321
91454614828355656
10311431030431441
1190260181763198
122ab19505b72b29
13104a0a87b6292b
1456c94b13a8bbb
152601080c2d896
hex11b3eaff0ded1

311431030431441 has 16 divisors (see below), whose sum is σ = 415420250184000. Its totient is φ = 207531252307008.

The previous prime is 311431030431427. The next prime is 311431030431481. The reversal of 311431030431441 is 144134030134113.

It is not a de Polignac number, because 311431030431441 - 221 = 311431028334289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311431030431421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380267410 + ... + 381085508.

It is an arithmetic number, because the mean of its divisors is an integer number (25963765636500).

Almost surely, 2311431030431441 is an apocalyptic number.

It is an amenable number.

311431030431441 is a deficient number, since it is larger than the sum of its proper divisors (103989219752559).

311431030431441 is a wasteful number, since it uses less digits than its factorization.

311431030431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872608.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 311431030431441 its reverse (144134030134113), we get a palindrome (455565060565554).

The spelling of 311431030431441 in words is "three hundred eleven trillion, four hundred thirty-one billion, thirty million, four hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 3 2437 7311 52069 156207 818099 2454297 126892153 380676459 1993707263 5981121789 42597596831 127792790493 103810343477147 311431030431441